2122111020112 has 20 divisors (see below), whose sum is σ = 4111622186560. Its totient is φ = 1061047230048.

The previous prime is 2122111020101. The next prime is 2122111020149. The reversal of 2122111020112 is 2110201112212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954843 + ... + 2840005.

It is an arithmetic number, because the mean of its divisors is an integer number (205581109328).

Almost surely, 2^{2122111020112} is an apocalyptic number.

It is an amenable number.

2122111020112 is a deficient number, since it is larger than the sum of its proper divisors (1989511166448).

2122111020112 is a wasteful number, since it uses less digits than its factorization.

2122111020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035010 (or 1035004 counting only the distinct ones).

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

Adding to 2122111020112 its reverse (2110201112212), we get a palindrome (4232312132324).

The spelling of 2122111020112 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, twenty thousand, one hundred twelve".