202121053 has 2 divisors, whose sum is σ = 202121054. Its totient is φ = 202121052.

The previous prime is 202120979. The next prime is 202121057. The reversal of 202121053 is 350121202.

202121053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201270969 + 850084 = 14187^2 + 922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202121053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202121057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060526 + 101060527.

It is an arithmetic number, because the mean of its divisors is an integer number (101060527).

Almost surely, 2^202121053 is an apocalyptic number.

It is an amenable number.

202121053 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121053 is an equidigital number, since it uses as much as digits as its factorization.

202121053 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 16.

The square root of 202121053 is about 14216.9283954024. The cubic root of 202121053 is about 586.8636143957.

Adding to 202121053 its reverse (350121202), we get a palindrome (552242255).

The spelling of 202121053 in words is "two hundred two million, one hundred twenty-one thousand, fifty-three".