2021222000100 has 36 divisors (see below), whose sum is σ = 5848068987824. Its totient is φ = 538992533280.

The previous prime is 2021222000089. The next prime is 2021222000201. The reversal of 2021222000100 is 10002221202.

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

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, 3368703034 + ... + 3368703633.

Almost surely, 2^{2021222000100} is an apocalyptic number.

2021222000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021222000100 is an abundant number, since it is smaller than the sum of its proper divisors (3826846987724).

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

2021222000100 is a wasteful number, since it uses less digits than its factorization.

2021222000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737406684 (or 6737406677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021222000100 its reverse (10002221202), we get a palindrome (2031224221302).

The spelling of 2021222000100 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred", and thus it is an aban number.