2100211220112 has 40 divisors (see below), whose sum is σ = 5433285461760. Its totient is φ = 699071721600.

The previous prime is 2100211220057. The next prime is 2100211220227. The reversal of 2100211220112 is 2110221120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100211220091 and 2100211220100.

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, 31174912 + ... + 31242207.

It is an arithmetic number, because the mean of its divisors is an integer number (135832136544).

Almost surely, 2^{2100211220112} is an apocalyptic number.

It is an amenable number.

2100211220112 is an abundant number, since it is smaller than the sum of its proper divisors (3333074241648).

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

2100211220112 is a wasteful number, since it uses less digits than its factorization.

2100211220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62417831 (or 62417825 counting only the distinct ones).

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

Adding to 2100211220112 its reverse (2110221120012), we get a palindrome (4210432340124).

The spelling of 2100211220112 in words is "two trillion, one hundred billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".