113212120201 has 2 divisors, whose sum is σ = 113212120202. Its totient is φ = 113212120200.

The previous prime is 113212120169. The next prime is 113212120207. The reversal of 113212120201 is 102021212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74117340025 + 39094780176 = 272245^2 + 197724^2 .

It is a cyclic number.

It is not a de Polignac number, because 113212120201 - 2⁵ = 113212120169 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606060100 + 56606060101.

It is an arithmetic number, because the mean of its divisors is an integer number (56606060101).

Almost surely, 2^113212120201 is an apocalyptic number.

It is an amenable number.

113212120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212120201 is an equidigital number, since it uses as much as digits as its factorization.

113212120201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 113212120201 its reverse (102021212311), we get a palindrome (215233332512).

The spelling of 113212120201 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twenty thousand, two hundred one".