22220102121020 has 12 divisors (see below), whose sum is σ = 46662214454184. Its totient is φ = 8888040848400.

The previous prime is 22220102120977. The next prime is 22220102121023. The reversal of 22220102121020 is 2012120102222.

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 22220102121020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220102121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555502553006 + ... + 555502553045.

It is an arithmetic number, because the mean of its divisors is an integer number (3888517871182).

Almost surely, 2^{22220102121020} is an apocalyptic number.

22220102121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220102121020 is an abundant number, since it is smaller than the sum of its proper divisors (24442112333164).

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

22220102121020 is a wasteful number, since it uses less digits than its factorization.

22220102121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111005106060 (or 1111005106058 counting only the distinct ones).

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

Adding to 22220102121020 its reverse (2012120102222), we get a palindrome (24232222223242).

The spelling of 22220102121020 in words is "twenty-two trillion, two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, twenty".