2122111200112 has 20 divisors (see below), whose sum is σ = 4111623235600. Its totient is φ = 1061047139328.

The previous prime is 2122111200101. The next prime is 2122111200113. The reversal of 2122111200112 is 2110021112212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870288 + ... + 2782480.

It is an arithmetic number, because the mean of its divisors is an integer number (205581161780).

Almost surely, 2^{2122111200112} is an apocalyptic number.

It is an amenable number.

2122111200112 is a deficient number, since it is larger than the sum of its proper divisors (1989512035488).

2122111200112 is a wasteful number, since it uses less digits than its factorization.

2122111200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057600 (or 1057594 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122111200112 its reverse (2110021112212), we get a palindrome (4232132312324).

The spelling of 2122111200112 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thousand, one hundred twelve".