22212220011120 has 120 divisors (see below), whose sum is σ = 74597729122800. Its totient is φ = 5923124456448.

The previous prime is 22212220011103. The next prime is 22212220011131. The reversal of 22212220011120 is 2111002221222.

It is a happy number.

22212220011120 is a `hidden beast` number, since 222 + 122 + 200 + 1 + 1 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 22212220011093 and 22212220011102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33758236 + ... + 34409924.

It is an arithmetic number, because the mean of its divisors is an integer number (621647742690).

Almost surely, 2^{22212220011120} is an apocalyptic number.

22212220011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212220011120 is an abundant number, since it is smaller than the sum of its proper divisors (52385509111680).

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

22212220011120 is a wasteful number, since it uses less digits than its factorization.

22212220011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699047 (or 699038 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212220011120 its reverse (2111002221222), we get a palindrome (24323222232342).

The spelling of 22212220011120 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty million, eleven thousand, one hundred twenty".