21023023102202 has 32 divisors (see below), whose sum is σ = 34620997432320. Its totient is φ = 9494924710320.

The previous prime is 21023023102187. The next prime is 21023023102231. The reversal of 21023023102202 is 20220132032012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13682783 + ... + 15141485.

It is an arithmetic number, because the mean of its divisors is an integer number (1081906169760).

Almost surely, 2^{21023023102202} is an apocalyptic number.

21023023102202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21023023102202 is a deficient number, since it is larger than the sum of its proper divisors (13597974330118).

21023023102202 is a wasteful number, since it uses less digits than its factorization.

21023023102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462898.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21023023102202 its reverse (20220132032012), we get a palindrome (41243155134214).

The spelling of 21023023102202 in words is "twenty-one trillion, twenty-three billion, twenty-three million, one hundred two thousand, two hundred two".