22120101001222 has 24 divisors (see below), whose sum is σ = 38649975862176. Its totient is φ = 9467110045008.

The previous prime is 22120101001177. The next prime is 22120101001241. The reversal of 22120101001222 is 22210010102122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22120101001196 and 22120101001205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153894958 + ... + 154038625.

It is an arithmetic number, because the mean of its divisors is an integer number (1610415660924).

Almost surely, 2^{22120101001222} is an apocalyptic number.

22120101001222 is a deficient number, since it is larger than the sum of its proper divisors (16529874860954).

22120101001222 is a wasteful number, since it uses less digits than its factorization.

22120101001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307934332 (or 307934325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120101001222 its reverse (22210010102122), we get a palindrome (44330111103344).

The spelling of 22120101001222 in words is "twenty-two trillion, one hundred twenty billion, one hundred one million, one thousand, two hundred twenty-two".