22121321233310 has 64 divisors (see below), whose sum is σ = 43421332046400. Its totient is φ = 8065120942080.

The previous prime is 22121321233273. The next prime is 22121321233313. The reversal of 22121321233310 is 1333212312122.

It is a super-2 number, since 2×22121321233310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 22121321233310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121321233313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19529366 + ... + 20631014.

It is an arithmetic number, because the mean of its divisors is an integer number (678458313225).

Almost surely, 2^{22121321233310} is an apocalyptic number.

22121321233310 is a deficient number, since it is larger than the sum of its proper divisors (21300010813090).

22121321233310 is a wasteful number, since it uses less digits than its factorization.

22121321233310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103613.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 22121321233310 its reverse (1333212312122), we get a palindrome (23454533545432).

The spelling of 22121321233310 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred ten".