21023222033030 has 128 divisors (see below), whose sum is σ = 46576804239360. Its totient is φ = 6667704944640.

The previous prime is 21023222033017. The next prime is 21023222033053. The reversal of 21023222033030 is 3033022232012.

It is a junction number, because it is equal to n+sod(n) for n = 21023222032987 and 21023222033005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408104975 + ... + 408156485.

It is an arithmetic number, because the mean of its divisors is an integer number (363881283120).

Almost surely, 2^{21023222033030} is an apocalyptic number.

21023222033030 is an abundant number, since it is smaller than the sum of its proper divisors (25553582206330).

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

21023222033030 is a wasteful number, since it uses less digits than its factorization.

21023222033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57414.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21023222033030 its reverse (3033022232012), we get a palindrome (24056244265042).

The spelling of 21023222033030 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-two million, thirty-three thousand, thirty".