112001311020 has 48 divisors (see below), whose sum is σ = 322079452128. Its totient is φ = 29059799040.

The previous prime is 112001311003. The next prime is 112001311031. The reversal of 112001311020 is 20113100211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112001310987 and 112001311005.

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, 25223301 + ... + 25227740.

It is an arithmetic number, because the mean of its divisors is an integer number (6709988586).

Almost surely, 2^112001311020 is an apocalyptic number.

112001311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001311020 is an abundant number, since it is smaller than the sum of its proper divisors (210078141108).

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

112001311020 is a wasteful number, since it uses less digits than its factorization.

112001311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50451090 (or 50451088 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 112001311020 its reverse (20113100211), we get a palindrome (132114411231).

The spelling of 112001311020 in words is "one hundred twelve billion, one million, three hundred eleven thousand, twenty".