2300201123021 has 4 divisors (see below), whose sum is σ = 2435507071452. Its totient is φ = 2164895174592.

The previous prime is 2300201123009. The next prime is 2300201123027. The reversal of 2300201123021 is 1203211020032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 637983990121 + 1662217132900 = 798739^2 + 1289270^2 .

It is not a de Polignac number, because 2300201123021 - 2³⁴ = 2283021253837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 135305948413 = 2300201123021 / (2 + 3 + 0 + 0 + 2 + 0 + 1 + 1 + 2 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300201123027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67652974190 + ... + 67652974223.

It is an arithmetic number, because the mean of its divisors is an integer number (608876767863).

Almost surely, 2^{2300201123021} is an apocalyptic number.

It is an amenable number.

2300201123021 is a deficient number, since it is larger than the sum of its proper divisors (135305948431).

2300201123021 is a wasteful number, since it uses less digits than its factorization.

2300201123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135305948430.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2300201123021 its reverse (1203211020032), we get a palindrome (3503412143053).

The spelling of 2300201123021 in words is "two trillion, three hundred billion, two hundred one million, one hundred twenty-three thousand, twenty-one".