2131301013122 has 4 divisors (see below), whose sum is σ = 3196951519686. Its totient is φ = 1065650506560.

The previous prime is 2131301013109. The next prime is 2131301013137. The reversal of 2131301013122 is 2213101031312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1609267307761 + 522033705361 = 1268569^2 + 722519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2131301013094 and 2131301013103.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 532825253279 + ... + 532825253282.

Almost surely, 2^{2131301013122} is an apocalyptic number.

2131301013122 is a deficient number, since it is larger than the sum of its proper divisors (1065650506564).

2131301013122 is a wasteful number, since it uses less digits than its factorization.

2131301013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065650506563.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131301013122 its reverse (2213101031312), we get a palindrome (4344402044434).

The spelling of 2131301013122 in words is "two trillion, one hundred thirty-one billion, three hundred one million, thirteen thousand, one hundred twenty-two".