2021200101100 has 18 divisors (see below), whose sum is σ = 4386004219604. Its totient is φ = 808480040400.

The previous prime is 2021200101077. The next prime is 2021200101127. The reversal of 2021200101100 is 11010021202.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 10106000406 + ... + 10106000605.

Almost surely, 2^{2021200101100} is an apocalyptic number.

2021200101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021200101100 is an abundant number, since it is smaller than the sum of its proper divisors (2364804118504).

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

2021200101100 is a wasteful number, since it uses less digits than its factorization.

2021200101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212001025 (or 20212001018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021200101100 its reverse (11010021202), we get a palindrome (2032210122302).

The spelling of 2021200101100 in words is "two trillion, twenty-one billion, two hundred million, one hundred one thousand, one hundred".