21122202332330 has 16 divisors (see below), whose sum is σ = 41476324580064. Its totient is φ = 7680800848080.

The previous prime is 21122202332323. The next prime is 21122202332389. The reversal of 21122202332330 is 3323320222112.

It is a super-2 number, since 2×21122202332330² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21122202332330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96010010492 + ... + 96010010711.

It is an arithmetic number, because the mean of its divisors is an integer number (2592270286254).

Almost surely, 2^{21122202332330} is an apocalyptic number.

21122202332330 is a deficient number, since it is larger than the sum of its proper divisors (20354122247734).

21122202332330 is a wasteful number, since it uses less digits than its factorization.

21122202332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192020021221.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21122202332330 its reverse (3323320222112), we get a palindrome (24445522554442).

The spelling of 21122202332330 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred two million, three hundred thirty-two thousand, three hundred thirty".