2131102613121 has 16 divisors (see below), whose sum is σ = 2847220509120. Its totient is φ = 1417860227520.

The previous prime is 2131102613117. The next prime is 2131102613153. The reversal of 2131102613121 is 1213162011312.

It is not a de Polignac number, because 2131102613121 - 2² = 2131102613117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131102613091 and 2131102613100.

It is not an unprimeable number, because it can be changed into a prime (2131102613191) 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, 36455406 + ... + 36513816.

It is an arithmetic number, because the mean of its divisors is an integer number (177951281820).

Almost surely, 2^{2131102613121} is an apocalyptic number.

It is an amenable number.

2131102613121 is a deficient number, since it is larger than the sum of its proper divisors (716117895999).

2131102613121 is a wasteful number, since it uses less digits than its factorization.

2131102613121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82816.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 2131102613121 its reverse (1213162011312), we get a palindrome (3344264624433).

The spelling of 2131102613121 in words is "two trillion, one hundred thirty-one billion, one hundred two million, six hundred thirteen thousand, one hundred twenty-one".