12211112020100 has 72 divisors (see below), whose sum is σ = 30375049497408. Its totient is φ = 4174018358400.

The previous prime is 12211112020039. The next prime is 12211112020169. The reversal of 12211112020100 is 102021111221.

12211112020100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211112020100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26119427 + ... + 26582826.

It is an arithmetic number, because the mean of its divisors is an integer number (421875687464).

Almost surely, 2^{12211112020100} is an apocalyptic number.

12211112020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211112020100 is an abundant number, since it is smaller than the sum of its proper divisors (18163937477308).

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

12211112020100 is a wasteful number, since it uses less digits than its factorization.

12211112020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52702605 (or 52702598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211112020100 its reverse (102021111221), we get a palindrome (12313133131321).

The spelling of 12211112020100 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, twenty thousand, one hundred".