112001122020100 has 72 divisors (see below), whose sum is σ = 259303469328288. Its totient is φ = 41843256998400.

The previous prime is 112001122020077. The next prime is 112001122020107. The reversal of 112001122020100 is 1020221100211.

It is a super-2 number, since 2×112001122020100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112001122020107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251239182 + ... + 251684581.

It is an arithmetic number, because the mean of its divisors is an integer number (3601437074004).

Almost surely, 2^{112001122020100} is an apocalyptic number.

112001122020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001122020100 is an abundant number, since it is smaller than the sum of its proper divisors (147302347308188).

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

112001122020100 is a wasteful number, since it uses less digits than its factorization.

112001122020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502923925 (or 502923918 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112001122020100 its reverse (1020221100211), we get a palindrome (113021343120311).

The spelling of 112001122020100 in words is "one hundred twelve trillion, one billion, one hundred twenty-two million, twenty thousand, one hundred".