23201121201 has 4 divisors (see below), whose sum is σ = 30934828272. Its totient is φ = 15467414132.

The previous prime is 23201121193. The next prime is 23201121211. The reversal of 23201121201 is 10212110232.

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 23201121201 - 2³ = 23201121193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23201121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866853531 + ... + 3866853536.

It is an arithmetic number, because the mean of its divisors is an integer number (7733707068).

Almost surely, 2^23201121201 is an apocalyptic number.

It is an amenable number.

23201121201 is a deficient number, since it is larger than the sum of its proper divisors (7733707071).

23201121201 is an equidigital number, since it uses as much as digits as its factorization.

23201121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733707070.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23201121201 its reverse (10212110232), we get a palindrome (33413231433).

The spelling of 23201121201 in words is "twenty-three billion, two hundred one million, one hundred twenty-one thousand, two hundred one".