102220012331999 has 4 divisors (see below), whose sum is σ = 102583784618160. Its totient is φ = 101856240045840.

The previous prime is 102220012331993. The next prime is 102220012332013. The reversal of 102220012331999 is 999133210022201.

It is a happy number.

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 102220012331999 - 2⁸ = 102220012331743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220012331993) 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, 181886142659 + ... + 181886143220.

It is an arithmetic number, because the mean of its divisors is an integer number (25645946154540).

Almost surely, 2^{102220012331999} is an apocalyptic number.

102220012331999 is a deficient number, since it is larger than the sum of its proper divisors (363772286161).

102220012331999 is an equidigital number, since it uses as much as digits as its factorization.

102220012331999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363772286160.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 102220012331999 in words is "one hundred two trillion, two hundred twenty billion, twelve million, three hundred thirty-one thousand, nine hundred ninety-nine".