102002053213961 has 2 divisors, whose sum is σ = 102002053213962. Its totient is φ = 102002053213960.

The previous prime is 102002053213867. The next prime is 102002053214011. The reversal of 102002053213961 is 169312350200201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97900338691600 + 4101714522361 = 9894460^2 + 2025269^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002053213961 - 2⁴⁶ = 31633309036297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102002053213561) 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, 51001026606980 + 51001026606981.

It is an arithmetic number, because the mean of its divisors is an integer number (51001026606981).

Almost surely, 2^{102002053213961} is an apocalyptic number.

It is an amenable number.

102002053213961 is a deficient number, since it is larger than the sum of its proper divisors (1).

102002053213961 is an equidigital number, since it uses as much as digits as its factorization.

102002053213961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 102002053213961 in words is "one hundred two trillion, two billion, fifty-three million, two hundred thirteen thousand, nine hundred sixty-one".