102202120100023 has 4 divisors (see below), whose sum is σ = 102242373005320. Its totient is φ = 102161867194728.

The previous prime is 102202120100021. The next prime is 102202120100039. The reversal of 102202120100023 is 320001021202201.

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 102202120100023 - 2¹ = 102202120100021 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 (102202120100021) 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, 20126448840 + ... + 20126453917.

It is an arithmetic number, because the mean of its divisors is an integer number (25560593251330).

Almost surely, 2^{102202120100023} is an apocalyptic number.

102202120100023 is a deficient number, since it is larger than the sum of its proper divisors (40252905297).

102202120100023 is an equidigital number, since it uses as much as digits as its factorization.

102202120100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40252905296.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102202120100023 its reverse (320001021202201), we get a palindrome (422203141302224).

The spelling of 102202120100023 in words is "one hundred two trillion, two hundred two billion, one hundred twenty million, one hundred thousand, twenty-three".