2131110121011 has 32 divisors (see below), whose sum is σ = 3032126161920. Its totient is φ = 1326763070976.

The previous prime is 2131110120961. The next prime is 2131110121057. The reversal of 2131110121011 is 1101210111312.

It is not a de Polignac number, because 2131110121011 - 2⁷ = 2131110120883 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2131110121081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3060760 + ... + 3691946.

It is an arithmetic number, because the mean of its divisors is an integer number (94753942560).

Almost surely, 2^{2131110121011} is an apocalyptic number.

2131110121011 is a deficient number, since it is larger than the sum of its proper divisors (901016040909).

2131110121011 is a wasteful number, since it uses less digits than its factorization.

2131110121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631723.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 2131110121011 its reverse (1101210111312), we get a palindrome (3232320232323).

The spelling of 2131110121011 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, one hundred twenty-one thousand, eleven".