102200120021947 has 2 divisors, whose sum is σ = 102200120021948. Its totient is φ = 102200120021946.

The previous prime is 102200120021941. The next prime is 102200120021971. The reversal of 102200120021947 is 749120021002201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102200120021947 - 2⁷ = 102200120021819 is a prime.

It is not a weakly prime, because it can be changed into another prime (102200120021941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100060010973 + 51100060010974.

It is an arithmetic number, because the mean of its divisors is an integer number (51100060010974).

Almost surely, 2^{102200120021947} is an apocalyptic number.

102200120021947 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200120021947 is an equidigital number, since it uses as much as digits as its factorization.

102200120021947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 102200120021947 in words is "one hundred two trillion, two hundred billion, one hundred twenty million, twenty-one thousand, nine hundred forty-seven".