22212111010120 has 64 divisors (see below), whose sum is σ = 50034800790000. Its totient is φ = 8874616025088.

The previous prime is 22212111010091. The next prime is 22212111010189. The reversal of 22212111010120 is 2101011121222.

It can be written as a sum of positive squares in 8 ways, for example, as 2577765113764 + 19634345896356 = 1605542^2 + 4431066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212111010094 and 22212111010103.

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, 266134156 + ... + 266217604.

Almost surely, 2^{22212111010120} is an apocalyptic number.

22212111010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212111010120 is an abundant number, since it is smaller than the sum of its proper divisors (27822689779880).

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

22212111010120 is a wasteful number, since it uses less digits than its factorization.

22212111010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91042 (or 91038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22212111010120 its reverse (2101011121222), we get a palindrome (24313122131342).

The spelling of 22212111010120 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, ten thousand, one hundred twenty".