2022221020100 has 18 divisors (see below), whose sum is σ = 4388219613834. Its totient is φ = 808888408000.

The previous prime is 2022221020093. The next prime is 2022221020133. The reversal of 2022221020100 is 10201222202.

It can be written as a sum of positive squares in 3 ways, for example, as 219533479936 + 1802687540164 = 468544^2 + 1342642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10111105001 + ... + 10111105200.

Almost surely, 2^{2022221020100} is an apocalyptic number.

2022221020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022221020100 is an abundant number, since it is smaller than the sum of its proper divisors (2365998593734).

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

2022221020100 is a wasteful number, since it uses less digits than its factorization.

2022221020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222210215 (or 20222210208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2022221020100 its reverse (10201222202), we get a palindrome (2032422242302).

The spelling of 2022221020100 in words is "two trillion, twenty-two billion, two hundred twenty-one million, twenty thousand, one hundred".