2120211012111 has 16 divisors (see below), whose sum is σ = 2977039511040. Its totient is φ = 1338493498560.

The previous prime is 2120211012107. The next prime is 2120211012119. The reversal of 2120211012111 is 1112101120212.

It is a happy number.

It is not a de Polignac number, because 2120211012111 - 2² = 2120211012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211012119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8023575 + ... + 8283608.

It is an arithmetic number, because the mean of its divisors is an integer number (186064969440).

Almost surely, 2^{2120211012111} is an apocalyptic number.

2120211012111 is a deficient number, since it is larger than the sum of its proper divisors (856828498929).

2120211012111 is a wasteful number, since it uses less digits than its factorization.

2120211012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16309486.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2120211012111 its reverse (1112101120212), we get a palindrome (3232312132323).

The spelling of 2120211012111 in words is "two trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, one hundred eleven".