22020021211120 has 160 divisors (see below), whose sum is σ = 54341605057536. Its totient is φ = 8269500518400.

The previous prime is 22020021211079. The next prime is 22020021211129. The reversal of 22020021211120 is 2111212002022.

It is a happy number.

It is a super-2 number, since 2×22020021211120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22020021211094 and 22020021211103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020021211129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968881197 + ... + 968903923.

Almost surely, 2^{22020021211120} is an apocalyptic number.

22020021211120 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 22020021211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27170802528768).

22020021211120 is an abundant number, since it is smaller than the sum of its proper divisors (32321583846416).

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

22020021211120 is a wasteful number, since it uses less digits than its factorization.

22020021211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24479 (or 24473 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22020021211120 its reverse (2111212002022), we get a palindrome (24131233213142).

The spelling of 22020021211120 in words is "twenty-two trillion, twenty billion, twenty-one million, two hundred eleven thousand, one hundred twenty".