21022223121130 has 128 divisors (see below), whose sum is σ = 47729127191040. Its totient is φ = 6475784663040.

The previous prime is 21022223121061. The next prime is 21022223121181. The reversal of 21022223121130 is 3112132222012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151587582 + ... + 151726198.

It is an arithmetic number, because the mean of its divisors is an integer number (372883806180).

Almost surely, 2^{21022223121130} is an apocalyptic number.

21022223121130 is an abundant number, since it is smaller than the sum of its proper divisors (26706904069910).

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

21022223121130 is a wasteful number, since it uses less digits than its factorization.

21022223121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140944.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21022223121130 its reverse (3112132222012), we get a palindrome (24134355343142).

The spelling of 21022223121130 in words is "twenty-one trillion, twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty".