22222101221120 has 36 divisors (see below), whose sum is σ = 53228876834280. Its totient is φ = 8888840487936.

The previous prime is 22222101221081. The next prime is 22222101221123. The reversal of 22222101221120 is 2112210122222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22222101221092 and 22222101221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222101221123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8680507010 + ... + 8680509569.

Almost surely, 2^{22222101221120} is an apocalyptic number.

22222101221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222101221120 is an abundant number, since it is smaller than the sum of its proper divisors (31006775613160).

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

22222101221120 is an equidigital number, since it uses as much as digits as its factorization.

22222101221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17361016600 (or 17361016586 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22222101221120 its reverse (2112210122222), we get a palindrome (24334311343342).

The spelling of 22222101221120 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty".