2021000101100 has 18 divisors (see below), whose sum is σ = 4385570219604. Its totient is φ = 808400040400.

The previous prime is 2021000101067. The next prime is 2021000101157. The reversal of 2021000101100 is 11010001202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10105000406 + ... + 10105000605.

It is an arithmetic number, because the mean of its divisors is an integer number (243642789978).

Almost surely, 2^{2021000101100} is an apocalyptic number.

2021000101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021000101100 is an abundant number, since it is smaller than the sum of its proper divisors (2364570118504).

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

2021000101100 is a wasteful number, since it uses less digits than its factorization.

2021000101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20210001025 (or 20210001018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2021000101100 its reverse (11010001202), we get a palindrome (2032010102302).

The spelling of 2021000101100 in words is "two trillion, twenty-one billion, one hundred one thousand, one hundred".