2021021112000 has 224 divisors, whose sum is σ = 7280086454784. Its totient is φ = 489944448000.

The previous prime is 2021021111981. The next prime is 2021021112041. The reversal of 2021021112000 is 2111201202.

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 31 ways as a sum of consecutive naturals, for example, 3563692 + ... + 4091691.

Almost surely, 2^{2021021112000} is an apocalyptic number.

2021021112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021021112000 is an abundant number, since it is smaller than the sum of its proper divisors (5259065342784).

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

2021021112000 is a wasteful number, since it uses less digits than its factorization.

2021021112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7655424 (or 7655404 counting only the distinct ones).

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

Adding to 2021021112000 its reverse (2111201202), we get a palindrome (2023132313202).

The spelling of 2021021112000 in words is "two trillion, twenty-one billion, twenty-one million, one hundred twelve thousand".