113222220212531 has 2 divisors, whose sum is σ = 113222220212532. Its totient is φ = 113222220212530.

The previous prime is 113222220212527. The next prime is 113222220212557. The reversal of 113222220212531 is 135212022222311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113222220212531 - 2² = 113222220212527 is a prime.

It is a super-2 number, since 2×113222220212531² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113222220212494 and 113222220212503.

It is not a weakly prime, because it can be changed into another prime (113222220212501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611110106265 + 56611110106266.

It is an arithmetic number, because the mean of its divisors is an integer number (56611110106266).

Almost surely, 2^{113222220212531} is an apocalyptic number.

113222220212531 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222220212531 is an equidigital number, since it uses as much as digits as its factorization.

113222220212531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 113222220212531 its reverse (135212022222311), we get a palindrome (248434242434842).

The spelling of 113222220212531 in words is "one hundred thirteen trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twelve thousand, five hundred thirty-one".