12221210222131 has 2 divisors, whose sum is σ = 12221210222132. Its totient is φ = 12221210222130.

The previous prime is 12221210222119. The next prime is 12221210222153. The reversal of 12221210222131 is 13122201212221.

It is an a-pointer prime, because the next prime (12221210222153) can be obtained adding 12221210222131 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221210222131 - 2⁷ = 12221210222003 is a prime.

It is a super-2 number, since 2×12221210222131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12221210225131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110605111065 + 6110605111066.

It is an arithmetic number, because the mean of its divisors is an integer number (6110605111066).

Almost surely, 2^{12221210222131} is an apocalyptic number.

12221210222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221210222131 is an equidigital number, since it uses as much as digits as its factorization.

12221210222131 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 12221210222131 its reverse (13122201212221), we get a palindrome (25343411434352).

The spelling of 12221210222131 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred thirty-one".