113222330521 has 2 divisors, whose sum is σ = 113222330522. Its totient is φ = 113222330520.

The previous prime is 113222330477. The next prime is 113222330527. The reversal of 113222330521 is 125033222311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103114843225 + 10107487296 = 321115^2 + 100536^2 .

It is a cyclic number.

It is not a de Polignac number, because 113222330521 - 2³³ = 104632395929 is a prime.

It is a super-2 number, since 2×113222330521² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113222330527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611165260 + 56611165261.

It is an arithmetic number, because the mean of its divisors is an integer number (56611165261).

Almost surely, 2^113222330521 is an apocalyptic number.

It is an amenable number.

113222330521 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222330521 is an equidigital number, since it uses as much as digits as its factorization.

113222330521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 113222330521 its reverse (125033222311), we get a palindrome (238255552832).

The spelling of 113222330521 in words is "one hundred thirteen billion, two hundred twenty-two million, three hundred thirty thousand, five hundred twenty-one".