21142102200023 has 8 divisors (see below), whose sum is σ = 24276916272000. Its totient is φ = 18035916567480.

The previous prime is 21142102199863. The next prime is 21142102200139. The reversal of 21142102200023 is 32000220124112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21142102200023 - 2¹⁰ = 21142102198999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21142102199968 and 21142102200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21142102280023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157108273 + ... + 7157111226.

It is an arithmetic number, because the mean of its divisors is an integer number (3034614534000).

Almost surely, 2^{21142102200023} is an apocalyptic number.

21142102200023 is a deficient number, since it is larger than the sum of its proper divisors (3134814071977).

21142102200023 is a wasteful number, since it uses less digits than its factorization.

21142102200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314219717.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21142102200023 its reverse (32000220124112), we get a palindrome (53142322324135).

The spelling of 21142102200023 in words is "twenty-one trillion, one hundred forty-two billion, one hundred two million, two hundred thousand, twenty-three".