2102122011112 has 16 divisors (see below), whose sum is σ = 3941833610340. Its totient is φ = 1050966381696.

The previous prime is 2102122011107. The next prime is 2102122011113. The reversal of 2102122011112 is 2111102212012.

It can be written as a sum of positive squares in 2 ways, for example, as 2009969694756 + 92152316356 = 1417734^2 + 303566^2 .

It is not an unprimeable number, because it can be changed into a prime (2102122011113) 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, 11733523 + ... + 11911330.

Almost surely, 2^{2102122011112} is an apocalyptic number.

It is an amenable number.

2102122011112 is a deficient number, since it is larger than the sum of its proper divisors (1839711599228).

2102122011112 is a wasteful number, since it uses less digits than its factorization.

2102122011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23655972 (or 23655968 counting only the distinct ones).

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

Adding to 2102122011112 its reverse (2111102212012), we get a palindrome (4213224223124).

The spelling of 2102122011112 in words is "two trillion, one hundred two billion, one hundred twenty-two million, eleven thousand, one hundred twelve".