21023022003130 has 48 divisors (see below), whose sum is σ = 46336456680480. Its totient is φ = 6828530452128.

The previous prime is 21023022003097. The next prime is 21023022003133. The reversal of 21023022003130 is 3130022032012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 21023022003098 and 21023022003107.

It is not an unprimeable number, because it can be changed into a prime (21023022003133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1129046652 + ... + 1129065271.

It is an arithmetic number, because the mean of its divisors is an integer number (965342847510).

Almost surely, 2^{21023022003130} is an apocalyptic number.

21023022003130 is an abundant number, since it is smaller than the sum of its proper divisors (25313434677350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023022003130 is a wasteful number, since it uses less digits than its factorization.

21023022003130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258111963 (or 2258111956 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21023022003130 its reverse (3130022032012), we get a palindrome (24153044035142).

The spelling of 21023022003130 in words is "twenty-one trillion, twenty-three billion, twenty-two million, three thousand, one hundred thirty".