113220251201 has 2 divisors, whose sum is σ = 113220251202. Its totient is φ = 113220251200.

The previous prime is 113220251161. The next prime is 113220251269. The reversal of 113220251201 is 102152022311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113201967025 + 18284176 = 336455^2 + 4276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113220251201 is a prime.

It is not a weakly prime, because it can be changed into another prime (113220251281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610125600 + 56610125601.

It is an arithmetic number, because the mean of its divisors is an integer number (56610125601).

Almost surely, 2^113220251201 is an apocalyptic number.

It is an amenable number.

113220251201 is a deficient number, since it is larger than the sum of its proper divisors (1).

113220251201 is an equidigital number, since it uses as much as digits as its factorization.

113220251201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 113220251201 its reverse (102152022311), we get a palindrome (215372273512).

The spelling of 113220251201 in words is "one hundred thirteen billion, two hundred twenty million, two hundred fifty-one thousand, two hundred one".