22212201012020 has 48 divisors (see below), whose sum is σ = 47411285233536. Its totient is φ = 8739045840000.

The previous prime is 22212201011947. The next prime is 22212201012107. The reversal of 22212201012020 is 2021010221222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212201012020.

It is a congruent number.

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, 69320375 + ... + 69640065.

It is an arithmetic number, because the mean of its divisors is an integer number (987735109032).

Almost surely, 2^{22212201012020} is an apocalyptic number.

22212201012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212201012020 is an abundant number, since it is smaller than the sum of its proper divisors (25199084221516).

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

22212201012020 is a wasteful number, since it uses less digits than its factorization.

22212201012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376712 (or 376710 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22212201012020 its reverse (2021010221222), we get a palindrome (24233211233242).

The spelling of 22212201012020 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, twelve thousand, twenty".