202130120051 has 2 divisors, whose sum is σ = 202130120052. Its totient is φ = 202130120050.

The previous prime is 202130119991. The next prime is 202130120077. The reversal of 202130120051 is 150021031202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202130120051 - 2⁶ = 202130119987 is a prime.

It is not a weakly prime, because it can be changed into another prime (202130120651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065060025 + 101065060026.

It is an arithmetic number, because the mean of its divisors is an integer number (101065060026).

Almost surely, 2^202130120051 is an apocalyptic number.

202130120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202130120051 is an equidigital number, since it uses as much as digits as its factorization.

202130120051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 202130120051 its reverse (150021031202), we get a palindrome (352151151253).

The spelling of 202130120051 in words is "two hundred two billion, one hundred thirty million, one hundred twenty thousand, fifty-one".