2022121100 has 36 divisors (see below), whose sum is σ = 4646124504. Its totient is φ = 761268480.

The previous prime is 2022121093. The next prime is 2022121121. The reversal of 2022121100 is 11212202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593042 + ... + 596441.

It is an arithmetic number, because the mean of its divisors is an integer number (129059014).

Almost surely, 2^2022121100 is an apocalyptic number.

2022121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022121100 is an abundant number, since it is smaller than the sum of its proper divisors (2624003404).

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

2022121100 is a wasteful number, since it uses less digits than its factorization.

2022121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189514 (or 1189507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2022121100 is about 44968.0008450454. Note that the first 3 decimals coincide. The cubic root of 2022121100 is about 1264.5491683484.

Adding to 2022121100 its reverse (11212202), we get a palindrome (2033333302).

The spelling of 2022121100 in words is "two billion, twenty-two million, one hundred twenty-one thousand, one hundred".