100102021259 has 2 divisors, whose sum is σ = 100102021260. Its totient is φ = 100102021258.

The previous prime is 100102021219. The next prime is 100102021319. The reversal of 100102021259 is 952120201001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102021259 is a prime.

It is not a weakly prime, because it can be changed into another prime (100102021219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051010629 + 50051010630.

It is an arithmetic number, because the mean of its divisors is an integer number (50051010630).

Almost surely, 2^100102021259 is an apocalyptic number.

100102021259 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102021259 is an equidigital number, since it uses as much as digits as its factorization.

100102021259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 100102021259 in words is "one hundred billion, one hundred two million, twenty-one thousand, two hundred fifty-nine".