2021055800401 has 8 divisors (see below), whose sum is σ = 2205065120544. Its totient is φ = 1837092642720.

The previous prime is 2021055800353. The next prime is 2021055800411. The reversal of 2021055800401 is 1040085501202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021055800401 - 2³⁷ = 1883616846929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021055800401.

It is not an unprimeable number, because it can be changed into a prime (2021055800411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11449036 + ... + 11624221.

It is an arithmetic number, because the mean of its divisors is an integer number (275633140068).

Almost surely, 2^{2021055800401} is an apocalyptic number.

It is an amenable number.

2021055800401 is a deficient number, since it is larger than the sum of its proper divisors (184009320143).

2021055800401 is a wasteful number, since it uses less digits than its factorization.

2021055800401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23081231.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 2021055800401 in words is "two trillion, twenty-one billion, fifty-five million, eight hundred thousand, four hundred one".