2111100020122 has 16 divisors (see below), whose sum is σ = 3275881318440. Its totient is φ = 1019140390912.

The previous prime is 2111100020059. The next prime is 2111100020147. The reversal of 2111100020122 is 2210200011112.

It can be written as a sum of positive squares in 4 ways, for example, as 1392350440441 + 718749579681 = 1179979^2 + 847791^2 .

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, 7666458 + ... + 7937050.

Almost surely, 2^{2111100020122} is an apocalyptic number.

2111100020122 is a deficient number, since it is larger than the sum of its proper divisors (1164781298318).

2111100020122 is a wasteful number, since it uses less digits than its factorization.

2111100020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405137.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111100020122 its reverse (2210200011112), we get a palindrome (4321300031234).

The spelling of 2111100020122 in words is "two trillion, one hundred eleven billion, one hundred million, twenty thousand, one hundred twenty-two".