2131222120013 has 8 divisors (see below), whose sum is σ = 2435869412928. Its totient is φ = 1826621574624.

The previous prime is 2131222119913. The next prime is 2131222120019. The reversal of 2131222120013 is 3100212221312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131222120013 - 2³⁸ = 1856344213069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131222120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11589131 + ... + 11771592.

It is an arithmetic number, because the mean of its divisors is an integer number (304483676616).

Almost surely, 2^{2131222120013} is an apocalyptic number.

It is an amenable number.

2131222120013 is a deficient number, since it is larger than the sum of its proper divisors (304647292915).

2131222120013 is a wasteful number, since it uses less digits than its factorization.

2131222120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373763.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2131222120013 its reverse (3100212221312), we get a palindrome (5231434341325).

The spelling of 2131222120013 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty thousand, thirteen".