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101112101210020 = 2255055605060501
BaseRepresentation
bin10110111111010111111110…
…111000000000011110100100
3111021000020000011221110102011
4112333113332320000132210
5101223110040402210040
6555014131423124004
730204052061355415
oct2677277670003644
9437006004843364
10101112101210020
112a24344616738a
12b410252143604
134455aa4031204
141ad7bcd52180c
15ba52578343ea
hex5bf5fee007a4

101112101210020 has 12 divisors (see below), whose sum is σ = 212335412541084. Its totient is φ = 40444840484000.

The previous prime is 101112101209997. The next prime is 101112101210047. The reversal of 101112101210020 is 20012101211101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57011318741056 + 44100782468964 = 7550584^2 + 6640842^2 .

It is a super-2 number, since 2×1011121012100202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527802530231 + ... + 2527802530270.

It is an arithmetic number, because the mean of its divisors is an integer number (17694617711757).

Almost surely, 2101112101210020 is an apocalyptic number.

101112101210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112101210020 is an abundant number, since it is smaller than the sum of its proper divisors (111223311331064).

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

101112101210020 is a wasteful number, since it uses less digits than its factorization.

101112101210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055605060510 (or 5055605060508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101112101210020 its reverse (20012101211101), we get a palindrome (121124202421121).

The spelling of 101112101210020 in words is "one hundred one trillion, one hundred twelve billion, one hundred one million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 5055605060501 10111210121002 20222420242004 25278025302505 50556050605010 101112101210020