102021864059 has 2 divisors, whose sum is σ = 102021864060. Its totient is φ = 102021864058.

The previous prime is 102021864047. The next prime is 102021864071. The reversal of 102021864059 is 950468120201.

It is a balanced prime because it is at equal distance from previous prime (102021864047) and next prime (102021864071).

It is a cyclic number.

It is not a de Polignac number, because 102021864059 - 2⁸ = 102021863803 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021164059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010932029 + 51010932030.

It is an arithmetic number, because the mean of its divisors is an integer number (51010932030).

Almost surely, 2^102021864059 is an apocalyptic number.

102021864059 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021864059 is an equidigital number, since it uses as much as digits as its factorization.

102021864059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 102021864059 in words is "one hundred two billion, twenty-one million, eight hundred sixty-four thousand, fifty-nine".