2021112210000 has 200 divisors, whose sum is σ = 7026299489440. Its totient is φ = 497504448000.

The previous prime is 2021112209971. The next prime is 2021112210001. The reversal of 2021112210000 is 122111202.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×2021112210000² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112210001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2201170 + ... + 2981169.

Almost surely, 2^{2021112210000} is an apocalyptic number.

2021112210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021112210000 is an abundant number, since it is smaller than the sum of its proper divisors (5005187279440).

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

2021112210000 is a wasteful number, since it uses less digits than its factorization.

2021112210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182383 (or 5182362 counting only the distinct ones).

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

Adding to 2021112210000 its reverse (122111202), we get a palindrome (2021234321202).

The spelling of 2021112210000 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred ten thousand".