202021102122053 has 2 divisors, whose sum is σ = 202021102122054. Its totient is φ = 202021102122052.

The previous prime is 202021102121987. The next prime is 202021102122067. The reversal of 202021102122053 is 350221201120202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123978047818849 + 78043054303204 = 11134543^2 + 8834198^2 .

It is a cyclic number.

It is not a de Polignac number, because 202021102122053 - 2¹⁰ = 202021102121029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202021102122953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010551061026 + 101010551061027.

It is an arithmetic number, because the mean of its divisors is an integer number (101010551061027).

Almost surely, 2^{202021102122053} is an apocalyptic number.

It is an amenable number.

202021102122053 is a deficient number, since it is larger than the sum of its proper divisors (1).

202021102122053 is an equidigital number, since it uses as much as digits as its factorization.

202021102122053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 202021102122053 its reverse (350221201120202), we get a palindrome (552242303242255).

The spelling of 202021102122053 in words is "two hundred two trillion, twenty-one billion, one hundred two million, one hundred twenty-two thousand, fifty-three".