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101222201112020 = 225231720931278659
BaseRepresentation
bin10111000000111110100001…
…010101110011010111010100
3111021101202012020022222120022
4113000332201111303113110
5101231411031441041040
6555140500502124312
730215030335162352
oct2700764125632724
9437352166288508
10101222201112020
112a28610474132a
12b42965a420698
13446329c139111
141add275aac7d2
15ba804d5b26b5
hex5c0fa15735d4

101222201112020 has 48 divisors (see below), whose sum is σ = 221810111752320. Its totient is φ = 38728239006336.

The previous prime is 101222201111897. The next prime is 101222201112023. The reversal of 101222201112020 is 20211102222101.

It is a self number, because there is not a number n which added to its sum of digits gives 101222201112020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222201112023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78523451 + ... + 79802109.

It is an arithmetic number, because the mean of its divisors is an integer number (4621043994840).

Almost surely, 2101222201112020 is an apocalyptic number.

101222201112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222201112020 is an abundant number, since it is smaller than the sum of its proper divisors (120587910640300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101222201112020 is a wasteful number, since it uses less digits than its factorization.

101222201112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450784 (or 1450782 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101222201112020 its reverse (20211102222101), we get a palindrome (121433303334121).

The spelling of 101222201112020 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 172093 344186 688372 860465 1278659 1720930 2557318 3441860 3958139 5114636 6393295 7916278 12786590 15832556 19790695 25573180 29409157 39581390 58818314 79162780 117636628 147045785 294091570 588183140 220048263287 440096526574 880193053148 1100241316435 2200482632870 4400965265740 5061110055601 10122220111202 20244440222404 25305550278005 50611100556010 101222201112020