2021022100201 has 8 divisors (see below), whose sum is σ = 2304513888264. Its totient is φ = 1755820104960.

The previous prime is 2021022100189. The next prime is 2021022100241. The reversal of 2021022100201 is 1020012201202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 239170880601 + 1781851219600 = 489051^2 + 1334860^2 .

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 2021022100201 - 2⁹ = 2021022099689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021022100241) 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, 4572447970 + ... + 4572448411.

It is an arithmetic number, because the mean of its divisors is an integer number (288064236033).

Almost surely, 2^{2021022100201} is an apocalyptic number.

It is an amenable number.

2021022100201 is a deficient number, since it is larger than the sum of its proper divisors (283491788063).

2021022100201 is a wasteful number, since it uses less digits than its factorization.

2021022100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144896411.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021022100201 its reverse (1020012201202), we get a palindrome (3041034301403).

The spelling of 2021022100201 in words is "two trillion, twenty-one billion, twenty-two million, one hundred thousand, two hundred one".