102101019589 has 2 divisors, whose sum is σ = 102101019590. Its totient is φ = 102101019588.

The previous prime is 102101019583. The next prime is 102101019599. The reversal of 102101019589 is 985910101201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63511560225 + 38589459364 = 252015^2 + 196442^2 .

It is a cyclic number.

It is not a de Polignac number, because 102101019589 - 2²⁹ = 101564148677 is a prime.

It is a super-2 number, since 2×102101019589² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102101019583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050509794 + 51050509795.

It is an arithmetic number, because the mean of its divisors is an integer number (51050509795).

Almost surely, 2^102101019589 is an apocalyptic number.

It is an amenable number.

102101019589 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101019589 is an equidigital number, since it uses as much as digits as its factorization.

102101019589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 37.

The spelling of 102101019589 in words is "one hundred two billion, one hundred one million, nineteen thousand, five hundred eighty-nine".