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112101010101020 = 22510215489765431
BaseRepresentation
bin11001011111010010001100…
…111000101101001100011100
3112200220202022010201102102202
4121133102030320231030130
5104143130332041213040
61034230254301511032
732420013350644223
oct3137221470551434
9480822263642382
10112101010101020
113279a853809a06
12106a5b15572478
134a721066aac75
141d97a09a6bcba
15ce6010454015
hex65f48ce2d31c

112101010101020 has 24 divisors (see below), whose sum is σ = 235642691403168. Its totient is φ = 44796485908800.

The previous prime is 112101010101011. The next prime is 112101010101089. The reversal of 112101010101020 is 20101010101211.

It is a junction number, because it is equal to n+sod(n) for n = 112101010100992 and 112101010101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744862296 + ... + 2744903135.

It is an arithmetic number, because the mean of its divisors is an integer number (9818445475132).

Almost surely, 2112101010101020 is an apocalyptic number.

112101010101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112101010101020 is an abundant number, since it is smaller than the sum of its proper divisors (123541681302148).

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

112101010101020 is a wasteful number, since it uses less digits than its factorization.

112101010101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489766461 (or 5489766459 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112101010101020 its reverse (20101010101211), we get a palindrome (132202020202231).

The spelling of 112101010101020 in words is "one hundred twelve trillion, one hundred one billion, ten million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 1021 2042 4084 5105 10210 20420 5489765431 10979530862 21959061724 27448827155 54897654310 109795308620 5605050505051 11210101010102 22420202020204 28025252525255 56050505050510 112101010101020