2100112012122 has 16 divisors (see below), whose sum is σ = 4203310171392. Its totient is φ = 699522979520.

The previous prime is 2100112012079. The next prime is 2100112012127. The reversal of 2100112012122 is 2212102110012.

It is not an unprimeable number, because it can be changed into a prime (2100112012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128580618 + ... + 128596949.

It is an arithmetic number, because the mean of its divisors is an integer number (262706885712).

Almost surely, 2^{2100112012122} is an apocalyptic number.

2100112012122 is an abundant number, since it is smaller than the sum of its proper divisors (2103198159270).

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

2100112012122 is a wasteful number, since it uses less digits than its factorization.

2100112012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257178933.

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

Adding to 2100112012122 its reverse (2212102110012), we get a palindrome (4312214122134).

The spelling of 2100112012122 in words is "two trillion, one hundred billion, one hundred twelve million, twelve thousand, one hundred twenty-two".