22212011222131 has 2 divisors, whose sum is σ = 22212011222132. Its totient is φ = 22212011222130.

The previous prime is 22212011222113. The next prime is 22212011222201. The reversal of 22212011222131 is 13122211021222.

Together with previous prime (22212011222113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212011222131 - 2⁵ = 22212011222099 is a prime.

It is a super-2 number, since 2×22212011222131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22212011226131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106005611065 + 11106005611066.

It is an arithmetic number, because the mean of its divisors is an integer number (11106005611066).

Almost surely, 2^{22212011222131} is an apocalyptic number.

22212011222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212011222131 is an equidigital number, since it uses as much as digits as its factorization.

22212011222131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22212011222131 its reverse (13122211021222), we get a palindrome (35334222243353).

The spelling of 22212011222131 in words is "twenty-two trillion, two hundred twelve billion, eleven million, two hundred twenty-two thousand, one hundred thirty-one".