22021011120 has 80 divisors (see below), whose sum is σ = 68413558752. Its totient is φ = 5859502080.

The previous prime is 22021011109. The next prime is 22021011137. The reversal of 22021011120 is 2111012022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22021011096 and 22021011105.

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, 11124 + ... + 210156.

Almost surely, 2^22021011120 is an apocalyptic number.

22021011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22021011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34206779376).

22021011120 is an abundant number, since it is smaller than the sum of its proper divisors (46392547632).

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

22021011120 is a wasteful number, since it uses less digits than its factorization.

22021011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199510 (or 199504 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22021011120 its reverse (2111012022), we get a palindrome (24132023142).

The spelling of 22021011120 in words is "twenty-two billion, twenty-one million, eleven thousand, one hundred twenty".