202054523101 has 2 divisors, whose sum is σ = 202054523102. Its totient is φ = 202054523100.

The previous prime is 202054523087. The next prime is 202054523123. The reversal of 202054523101 is 101325450202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138756995001 + 63297528100 = 372501^2 + 251590^2 .

It is a cyclic number.

It is not a de Polignac number, because 202054523101 - 2¹⁵ = 202054490333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202054523171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101027261550 + 101027261551.

It is an arithmetic number, because the mean of its divisors is an integer number (101027261551).

Almost surely, 2^202054523101 is an apocalyptic number.

It is an amenable number.

202054523101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202054523101 is an equidigital number, since it uses as much as digits as its factorization.

202054523101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 202054523101 its reverse (101325450202), we get a palindrome (303379973303).

The spelling of 202054523101 in words is "two hundred two billion, fifty-four million, five hundred twenty-three thousand, one hundred one".