2221111130131 has 16 divisors (see below), whose sum is σ = 2269436968960. Its totient is φ = 2173185119520.

The previous prime is 2221111130027. The next prime is 2221111130153. The reversal of 2221111130131 is 1310311111222.

It is a cyclic number.

It is not a de Polignac number, because 2221111130131 - 2¹⁵ = 2221111097363 is a prime.

It is a super-2 number, since 2×2221111130131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221111130099 and 2221111130108.

It is not an unprimeable number, because it can be changed into a prime (2221111134131) 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, 17334406 + ... + 17462068.

It is an arithmetic number, because the mean of its divisors is an integer number (141839810560).

Almost surely, 2^{2221111130131} is an apocalyptic number.

2221111130131 is a deficient number, since it is larger than the sum of its proper divisors (48325838829).

2221111130131 is a wasteful number, since it uses less digits than its factorization.

2221111130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129226.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2221111130131 its reverse (1310311111222), we get a palindrome (3531422241353).

The spelling of 2221111130131 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thirty thousand, one hundred thirty-one".