361222181222131 has 2 divisors, whose sum is σ = 361222181222132. Its totient is φ = 361222181222130.

The previous prime is 361222181222069. The next prime is 361222181222141. The reversal of 361222181222131 is 131222181222163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361222181222131 - 2⁷ = 361222181222003 is a prime.

It is a super-2 number, since 2×361222181222131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361222181222141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180611090611065 + 180611090611066.

It is an arithmetic number, because the mean of its divisors is an integer number (180611090611066).

Almost surely, 2^{361222181222131} is an apocalyptic number.

361222181222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

361222181222131 is an equidigital number, since it uses as much as digits as its factorization.

361222181222131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The spelling of 361222181222131 in words is "three hundred sixty-one trillion, two hundred twenty-two billion, one hundred eighty-one million, two hundred twenty-two thousand, one hundred thirty-one".