22222102220120 has 64 divisors (see below), whose sum is σ = 54871777900800. Its totient is φ = 8032376606080.

The previous prime is 22222102220099. The next prime is 22222102220159. The reversal of 22222102220120 is 2102220122222.

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 = 22222102220092 and 22222102220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151138430 + ... + 151285389.

It is an arithmetic number, because the mean of its divisors is an integer number (857371529700).

Almost surely, 2^{22222102220120} is an apocalyptic number.

22222102220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222102220120 is an abundant number, since it is smaller than the sum of its proper divisors (32649675680680).

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

22222102220120 is a wasteful number, since it uses less digits than its factorization.

22222102220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302424008 (or 302424004 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222102220120 its reverse (2102220122222), we get a palindrome (24324322342342).

The spelling of 22222102220120 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred twenty".