2100020112111 has 16 divisors (see below), whose sum is σ = 2818712475648. Its totient is φ = 1390671516000.

The previous prime is 2100020112101. The next prime is 2100020112119. The reversal of 2100020112111 is 1112110200012.

It is not a de Polignac number, because 2100020112111 - 2⁵ = 2100020112079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020112119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9778690 + ... + 9991136.

It is an arithmetic number, because the mean of its divisors is an integer number (176169529728).

Almost surely, 2^{2100020112111} is an apocalyptic number.

2100020112111 is a deficient number, since it is larger than the sum of its proper divisors (718692363537).

2100020112111 is a wasteful number, since it uses less digits than its factorization.

2100020112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234422.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2100020112111 its reverse (1112110200012), we get a palindrome (3212130312123).

The spelling of 2100020112111 in words is "two trillion, one hundred billion, twenty million, one hundred twelve thousand, one hundred eleven".