2131421232011 has 8 divisors (see below), whose sum is σ = 2153458017984. Its totient is φ = 2109385739520.

The previous prime is 2131421231999. The next prime is 2131421232043. The reversal of 2131421232011 is 1102321241312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131421232011 - 2²² = 2131417037707 is a prime.

It is a super-2 number, since 2×2131421232011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131421234011) 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, 3185021 + ... + 3795681.

It is an arithmetic number, because the mean of its divisors is an integer number (269182252248).

Almost surely, 2^{2131421232011} is an apocalyptic number.

2131421232011 is a deficient number, since it is larger than the sum of its proper divisors (22036785973).

2131421232011 is an equidigital number, since it uses as much as digits as its factorization.

2131421232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646741.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2131421232011 its reverse (1102321241312), we get a palindrome (3233742473323).

The spelling of 2131421232011 in words is "two trillion, one hundred thirty-one billion, four hundred twenty-one million, two hundred thirty-two thousand, eleven".