21023223330130 has 64 divisors (see below), whose sum is σ = 45794391517440. Its totient is φ = 6783574708224.

The previous prime is 21023223330121. The next prime is 21023223330149. The reversal of 21023223330130 is 3103332232012.

It is a junction number, because it is equal to n+sod(n) for n = 21023223330095 and 21023223330104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20579781 + ... + 21577159.

It is an arithmetic number, because the mean of its divisors is an integer number (715537367460).

Almost surely, 2^{21023223330130} is an apocalyptic number.

21023223330130 is an abundant number, since it is smaller than the sum of its proper divisors (24771168187310).

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

21023223330130 is a wasteful number, since it uses less digits than its factorization.

21023223330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015123.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21023223330130 its reverse (3103332232012), we get a palindrome (24126555562142).

The spelling of 21023223330130 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-three million, three hundred thirty thousand, one hundred thirty".