2131301223211 has 4 divisors (see below), whose sum is σ = 2131305561000. Its totient is φ = 2131296885424.

The previous prime is 2131301223199. The next prime is 2131301223277. The reversal of 2131301223211 is 1123221031312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131301223211 - 2²⁵ = 2131267668779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131301223011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321546 + ... + 2451343.

It is an arithmetic number, because the mean of its divisors is an integer number (532826390250).

Almost surely, 2^{2131301223211} is an apocalyptic number.

2131301223211 is a deficient number, since it is larger than the sum of its proper divisors (4337789).

2131301223211 is an equidigital number, since it uses as much as digits as its factorization.

2131301223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337788.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131301223211 its reverse (1123221031312), we get a palindrome (3254522254523).

It can be divided in two parts, 213130 and 1223211, that added together give a palindrome (1436341).

The spelling of 2131301223211 in words is "two trillion, one hundred thirty-one billion, three hundred one million, two hundred twenty-three thousand, two hundred eleven".