102010221331019 has 4 divisors (see below), whose sum is σ = 102358379083296. Its totient is φ = 101662063578744.

The previous prime is 102010221331013. The next prime is 102010221331033. The reversal of 102010221331019 is 910133122010201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102010221331019 - 2²⁸ = 102009952895563 is a prime.

It is a super-2 number, since 2×102010221331019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010221331013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174078875699 + ... + 174078876284.

It is an arithmetic number, because the mean of its divisors is an integer number (25589594770824).

Almost surely, 2^{102010221331019} is an apocalyptic number.

102010221331019 is a deficient number, since it is larger than the sum of its proper divisors (348157752277).

102010221331019 is an equidigital number, since it uses as much as digits as its factorization.

102010221331019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348157752276.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 102010221331019 in words is "one hundred two trillion, ten billion, two hundred twenty-one million, three hundred thirty-one thousand, nineteen".