2100122211012 has 96 divisors (see below), whose sum is σ = 5895445248000. Its totient is φ = 568418902272.

The previous prime is 2100122210983. The next prime is 2100122211013. The reversal of 2100122211012 is 2101122210012.

It is a junction number, because it is equal to n+sod(n) for n = 2100122210982 and 2100122211000.

It is not an unprimeable number, because it can be changed into a prime (2100122211013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35326489 + ... + 35385887.

It is an arithmetic number, because the mean of its divisors is an integer number (61410888000).

Almost surely, 2^{2100122211012} is an apocalyptic number.

It is an amenable number.

2100122211012 is an abundant number, since it is smaller than the sum of its proper divisors (3795323036988).

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

2100122211012 is a wasteful number, since it uses less digits than its factorization.

2100122211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81585 (or 81583 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2100122211012 its reverse (2101122210012), we get a palindrome (4201244421024).

The spelling of 2100122211012 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred eleven thousand, twelve".