23101120221 has 8 divisors (see below), whose sum is σ = 30803637984. Its totient is φ = 15399674640.

The previous prime is 23101120193. The next prime is 23101120241. The reversal of 23101120221 is 12202110132.

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

It is not a de Polignac number, because 23101120221 - 2⁹ = 23101119709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23101120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101120241) 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, 216346 + ... + 304971.

It is an arithmetic number, because the mean of its divisors is an integer number (3850454748).

Almost surely, 2^23101120221 is an apocalyptic number.

It is an amenable number.

23101120221 is a deficient number, since it is larger than the sum of its proper divisors (7702517763).

23101120221 is a wasteful number, since it uses less digits than its factorization.

23101120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536091.

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

Adding to 23101120221 its reverse (12202110132), we get a palindrome (35303230353).

The spelling of 23101120221 in words is "twenty-three billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".