22022111202120 has 48 divisors (see below), whose sum is σ = 71571861408060. Its totient is φ = 5872562987136.

The previous prime is 22022111202067. The next prime is 22022111202199. The reversal of 22022111202120 is 2120211122022.

It is a happy number.

22022111202120 is a `hidden beast` number, since 220 + 2 + 211 + 1 + 20 + 212 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22012780801284 + 9330400836 = 4691778^2 + 96594^2 .

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 = 22022111202093 and 22022111202102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30586265199 + ... + 30586265918.

Almost surely, 2^{22022111202120} is an apocalyptic number.

22022111202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022111202120 is an abundant number, since it is smaller than the sum of its proper divisors (49549750205940).

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

22022111202120 is a wasteful number, since it uses less digits than its factorization.

22022111202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61172531134 (or 61172531127 counting only the distinct ones).

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

Adding to 22022111202120 its reverse (2120211122022), we get a palindrome (24142322324142).

The spelling of 22022111202120 in words is "twenty-two trillion, twenty-two billion, one hundred eleven million, two hundred two thousand, one hundred twenty".