23220201221121 has 8 divisors (see below), whose sum is σ = 31260853424320. Its totient is φ = 15329841582672.

The previous prime is 23220201221089. The next prime is 23220201221137. The reversal of 23220201221121 is 12112210202232.

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

It is not a de Polignac number, because 23220201221121 - 2⁵ = 23220201221089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220201221221) 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, 37573140826 + ... + 37573141443.

It is an arithmetic number, because the mean of its divisors is an integer number (3907606678040).

Almost surely, 2^{23220201221121} is an apocalyptic number.

It is an amenable number.

23220201221121 is a deficient number, since it is larger than the sum of its proper divisors (8040652203199).

23220201221121 is a wasteful number, since it uses less digits than its factorization.

23220201221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75146282375.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 23220201221121 its reverse (12112210202232), we get a palindrome (35332411423353).

The spelling of 23220201221121 in words is "twenty-three trillion, two hundred twenty billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-one".