202132121251 has 2 divisors, whose sum is σ = 202132121252. Its totient is φ = 202132121250.

The previous prime is 202132121203. The next prime is 202132121287. The reversal of 202132121251 is 152121231202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202132121251 - 2⁹ = 202132120739 is a prime.

It is not a weakly prime, because it can be changed into another prime (202132121291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101066060625 + 101066060626.

It is an arithmetic number, because the mean of its divisors is an integer number (101066060626).

Almost surely, 2^202132121251 is an apocalyptic number.

202132121251 is a deficient number, since it is larger than the sum of its proper divisors (1).

202132121251 is an equidigital number, since it uses as much as digits as its factorization.

202132121251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 202132121251 its reverse (152121231202), we get a palindrome (354253352453).

The spelling of 202132121251 in words is "two hundred two billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred fifty-one".