22121132330 has 64 divisors (see below), whose sum is σ = 44970536448. Its totient is φ = 7764917760.

The previous prime is 22121132311. The next prime is 22121132347. The reversal of 22121132330 is 3323112122.

It is a super-2 number, since 2×22121132330² (a number of 21 digits) contains 22 as substring.

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, 348104 + ... + 406716.

It is an arithmetic number, because the mean of its divisors is an integer number (702664632).

Almost surely, 2^22121132330 is an apocalyptic number.

22121132330 is an abundant number, since it is smaller than the sum of its proper divisors (22849404118).

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

22121132330 is a wasteful number, since it uses less digits than its factorization.

22121132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58751.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22121132330 its reverse (3323112122), we get a palindrome (25444244452).

It can be divided in two parts, 22121 and 132330, that added together give a palindrome (154451).

The spelling of 22121132330 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty".