210120112208953 has 2 divisors, whose sum is σ = 210120112208954. Its totient is φ = 210120112208952.

The previous prime is 210120112208933. The next prime is 210120112208969. The reversal of 210120112208953 is 359802211021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137571505311744 + 72548606897209 = 11729088^2 + 8517547^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120112208953 - 2³³ = 210111522274361 is a prime.

It is not a weakly prime, because it can be changed into another prime (210120112208933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060056104476 + 105060056104477.

It is an arithmetic number, because the mean of its divisors is an integer number (105060056104477).

Almost surely, 2^{210120112208953} is an apocalyptic number.

It is an amenable number.

210120112208953 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120112208953 is an equidigital number, since it uses as much as digits as its factorization.

210120112208953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

Adding to 210120112208953 its reverse (359802211021012), we get a palindrome (569922323229965).

The spelling of 210120112208953 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twelve million, two hundred eight thousand, nine hundred fifty-three".