22210112111220 has 96 divisors (see below), whose sum is σ = 75379774458240. Its totient is φ = 5384269601280.

The previous prime is 22210112111203. The next prime is 22210112111269. The reversal of 22210112111220 is 2211121101222.

22210112111220 is a `hidden beast` number, since 2 + 221 + 0 + 11 + 211 + 1 + 220 = 666.

It is a super-2 number, since 2×22210112111220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22210112111193 and 22210112111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869532117 + ... + 1869543996.

It is an arithmetic number, because the mean of its divisors is an integer number (785205983940).

Almost surely, 2^{22210112111220} is an apocalyptic number.

22210112111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210112111220 is an abundant number, since it is smaller than the sum of its proper divisors (53169662347020).

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

22210112111220 is a wasteful number, since it uses less digits than its factorization.

22210112111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739076142 (or 3739076134 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22210112111220 its reverse (2211121101222), we get a palindrome (24421233212442).

It can be divided in two parts, 222101 and 12111220, that added together give a palindrome (12333321).

The spelling of 22210112111220 in words is "twenty-two trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty".