22222121313020 has 12 divisors (see below), whose sum is σ = 46666454757384. Its totient is φ = 8888848525200.

The previous prime is 22222121313013. The next prime is 22222121313037. The reversal of 22222121313020 is 2031312122222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555553032806 + ... + 555553032845.

It is an arithmetic number, because the mean of its divisors is an integer number (3888871229782).

Almost surely, 2^{22222121313020} is an apocalyptic number.

22222121313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22222121313020 is an abundant number, since it is smaller than the sum of its proper divisors (24444333444364).

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

22222121313020 is a wasteful number, since it uses less digits than its factorization.

22222121313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111106065660 (or 1111106065658 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22222121313020 its reverse (2031312122222), we get a palindrome (24253433435242).

The spelling of 22222121313020 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred thirteen thousand, twenty".