2021020004100 has 72 divisors (see below), whose sum is σ = 6155246907040. Its totient is φ = 510573473280.

The previous prime is 2021020003997. The next prime is 2021020004117. The reversal of 2021020004100 is 14000201202.

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 23 ways as a sum of consecutive naturals, for example, 177276757 + ... + 177288156.

Almost surely, 2^{2021020004100} is an apocalyptic number.

2021020004100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021020004100 is an abundant number, since it is smaller than the sum of its proper divisors (4134226902940).

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

2021020004100 is a wasteful number, since it uses less digits than its factorization.

2021020004100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354564949 (or 354564942 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021020004100 its reverse (14000201202), we get a palindrome (2035020205302).

The spelling of 2021020004100 in words is "two trillion, twenty-one billion, twenty million, four thousand, one hundred".