2022121010100 has 144 divisors (see below), whose sum is σ = 5962814605440. Its totient is φ = 528994368000.

The previous prime is 2022121010099. The next prime is 2022121010123. The reversal of 2022121010100 is 10101212202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2996569 + ... + 3608831.

It is an arithmetic number, because the mean of its divisors is an integer number (41408434760).

Almost surely, 2^{2022121010100} is an apocalyptic number.

2022121010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022121010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981407302720).

2022121010100 is an abundant number, since it is smaller than the sum of its proper divisors (3940693595340).

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

2022121010100 is a wasteful number, since it uses less digits than its factorization.

2022121010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612490 (or 612483 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2022121010100 its reverse (10101212202), we get a palindrome (2032222222302).

The spelling of 2022121010100 in words is "two trillion, twenty-two billion, one hundred twenty-one million, ten thousand, one hundred".