23200220200121 has 4 divisors (see below), whose sum is σ = 24421284421200. Its totient is φ = 21979155979044.

The previous prime is 23200220200099. The next prime is 23200220200153. The reversal of 23200220200121 is 12100202200232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23200220200121 - 2¹⁴ = 23200220183737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23200220200121.

It is not an unprimeable number, because it can be changed into a prime (23200220400121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610532110511 + ... + 610532110548.

It is an arithmetic number, because the mean of its divisors is an integer number (6105321105300).

Almost surely, 2^{23200220200121} is an apocalyptic number.

It is an amenable number.

23200220200121 is a deficient number, since it is larger than the sum of its proper divisors (1221064221079).

23200220200121 is a wasteful number, since it uses less digits than its factorization.

23200220200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221064221078.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23200220200121 its reverse (12100202200232), we get a palindrome (35300422400353).

The spelling of 23200220200121 in words is "twenty-three trillion, two hundred billion, two hundred twenty million, two hundred thousand, one hundred twenty-one".