2022221102100 has 72 divisors (see below), whose sum is σ = 5851233497088. Its totient is φ = 539233728000.

The previous prime is 2022221102081. The next prime is 2022221102117. The reversal of 2022221102100 is 12011222202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2022221102100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6770925 + ... + 7063275.

It is an arithmetic number, because the mean of its divisors is an integer number (81267131904).

Almost surely, 2^{2022221102100} is an apocalyptic number.

2022221102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022221102100 is an abundant number, since it is smaller than the sum of its proper divisors (3829012394988).

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

2022221102100 is a wasteful number, since it uses less digits than its factorization.

2022221102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315425 (or 315418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2022221102100 its reverse (12011222202), we get a palindrome (2034232324302).

The spelling of 2022221102100 in words is "two trillion, twenty-two billion, two hundred twenty-one million, one hundred two thousand, one hundred".