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101222101101220 = 225111871924579329
BaseRepresentation
bin10111000000111110011011…
…011000010010101010100100
3111021101201221021010220112121
4113000332123120102222210
5101231410330340214340
6555140442530355324
730215025012123601
oct2700763330225244
9437351837126477
10101222101101220
112a286063242780
12b429630a2bb44
1344632844c0728
141add2666b76a8
15ba804490994a
hex5c0f9b612aa4

101222101101220 has 48 divisors (see below), whose sum is σ = 231903029030400. Its totient is φ = 36806068920320.

The previous prime is 101222101101193. The next prime is 101222101101323. The reversal of 101222101101220 is 22101101222101.

It is a junction number, because it is equal to n+sod(n) for n = 101222101101194 and 101222101101203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8171485 + ... + 16407844.

It is an arithmetic number, because the mean of its divisors is an integer number (4831313104800).

Almost surely, 2101222101101220 is an apocalyptic number.

101222101101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222101101220 is an abundant number, since it is smaller than the sum of its proper divisors (130680927929180).

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

101222101101220 is a wasteful number, since it uses less digits than its factorization.

101222101101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24598068 (or 24598066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101222101101220 its reverse (22101101222101), we get a palindrome (123323202323321).

The spelling of 101222101101220 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred one million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 18719 37438 74876 93595 187190 205909 374380 411818 823636 1029545 2059090 4118180 24579329 49158658 98317316 122896645 245793290 270372619 491586580 540745238 1081490476 1351863095 2703726190 5407452380 460100459551 920200919102 1840401838204 2300502297755 4601004595510 5061105055061 9202009191020 10122210110122 20244420220244 25305525275305 50611050550610 101222101101220