2021102021000 has 64 divisors (see below), whose sum is σ = 4735212168960. Its totient is φ = 807443640000.

The previous prime is 2021102020991. The next prime is 2021102021011. The reversal of 2021102021000 is 1202011202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435056 + ... + 2057055.

It is an arithmetic number, because the mean of its divisors is an integer number (73987690140).

Almost surely, 2^{2021102021000} is an apocalyptic number.

2021102021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021102021000 is an abundant number, since it is smaller than the sum of its proper divisors (2714110147960).

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

2021102021000 is a wasteful number, since it uses less digits than its factorization.

2021102021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492943 (or 2492929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021102021000 its reverse (1202011202), we get a palindrome (2022304032202).

It can be divided in two parts, 202110202 and 1000, that added together give a palindrome (202111202).

The spelling of 2021102021000 in words is "two trillion, twenty-one billion, one hundred two million, twenty-one thousand".