2131013110121 has 16 divisors (see below), whose sum is σ = 2520746308608. Its totient is φ = 1762921540800.

The previous prime is 2131013110111. The next prime is 2131013110123. The reversal of 2131013110121 is 1210113101312.

It is not a de Polignac number, because 2131013110121 - 2²² = 2131008915817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131013110121.

It is not an unprimeable number, because it can be changed into a prime (2131013110123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13083050 + ... + 13244931.

It is an arithmetic number, because the mean of its divisors is an integer number (157546644288).

Almost surely, 2^{2131013110121} is an apocalyptic number.

It is an amenable number.

2131013110121 is a deficient number, since it is larger than the sum of its proper divisors (389733198487).

2131013110121 is a wasteful number, since it uses less digits than its factorization.

2131013110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26328392.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 2131013110121 its reverse (1210113101312), we get a palindrome (3341126211433).

The spelling of 2131013110121 in words is "two trillion, one hundred thirty-one billion, thirteen million, one hundred ten thousand, one hundred twenty-one".