202740661103 has 2 divisors, whose sum is σ = 202740661104. Its totient is φ = 202740661102.

The previous prime is 202740661051. The next prime is 202740661117. The reversal of 202740661103 is 301166047202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202740661103 - 2²⁶ = 202673552239 is a prime.

It is a super-2 number, since 2×202740661103² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202740661103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202740661003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101370330551 + 101370330552.

It is an arithmetic number, because the mean of its divisors is an integer number (101370330552).

Almost surely, 2^202740661103 is an apocalyptic number.

202740661103 is a deficient number, since it is larger than the sum of its proper divisors (1).

202740661103 is an equidigital number, since it uses as much as digits as its factorization.

202740661103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 202740661103 in words is "two hundred two billion, seven hundred forty million, six hundred sixty-one thousand, one hundred three".