22112021122020 has 48 divisors (see below), whose sum is σ = 68792954603520. Its totient is φ = 5896538965728.

The previous prime is 22112021121947. The next prime is 22112021122021. The reversal of 22112021122020 is 2022112021122.

It is a happy number.

22112021122020 is a `hidden beast` number, since 2 + 211 + 2 + 0 + 211 + 220 + 20 = 666.

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 = 22112021121984 and 22112021122002.

It is not an unprimeable number, because it can be changed into a prime (22112021122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20474093092 + ... + 20474094171.

It is an arithmetic number, because the mean of its divisors is an integer number (1433186554240).

Almost surely, 2^{22112021122020} is an apocalyptic number.

22112021122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112021122020 is an abundant number, since it is smaller than the sum of its proper divisors (46680933481500).

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

22112021122020 is a wasteful number, since it uses less digits than its factorization.

22112021122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40948187281 (or 40948187273 counting only the distinct ones).

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

Adding to 22112021122020 its reverse (2022112021122), we get a palindrome (24134133143142).

The spelling of 22112021122020 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, twenty".