222012011131 has 4 divisors (see below), whose sum is σ = 224506528200. Its totient is φ = 219517494064.

The previous prime is 222012011101. The next prime is 222012011147. The reversal of 222012011131 is 131110210222.

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 222012011131 - 2⁵ = 222012011099 is a prime.

It is a super-2 number, since 2×222012011131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012011101) 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, 1247258401 + ... + 1247258578.

It is an arithmetic number, because the mean of its divisors is an integer number (56126632050).

Almost surely, 2^222012011131 is an apocalyptic number.

222012011131 is a deficient number, since it is larger than the sum of its proper divisors (2494517069).

222012011131 is an equidigital number, since it uses as much as digits as its factorization.

222012011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494517068.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 222012011131 its reverse (131110210222), we get a palindrome (353122221353).

The spelling of 222012011131 in words is "two hundred twenty-two billion, twelve million, eleven thousand, one hundred thirty-one".