23120230111221 has 8 divisors (see below), whose sum is σ = 31126264486720. Its totient is φ = 15263841238272.

The previous prime is 23120230111211. The next prime is 23120230111259. The reversal of 23120230111221 is 12211103202132.

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

It is not a de Polignac number, because 23120230111221 - 2²⁷ = 23120095893493 is a prime.

It is a super-2 number, since 2×23120230111221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120230111211) 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 7 ways as a sum of consecutive naturals, for example, 37411375276 + ... + 37411375893.

It is an arithmetic number, because the mean of its divisors is an integer number (3890783060840).

Almost surely, 2^{23120230111221} is an apocalyptic number.

It is an amenable number.

23120230111221 is a deficient number, since it is larger than the sum of its proper divisors (8006034375499).

23120230111221 is a wasteful number, since it uses less digits than its factorization.

23120230111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74822751275.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 23120230111221 its reverse (12211103202132), we get a palindrome (35331333313353).

The spelling of 23120230111221 in words is "twenty-three trillion, one hundred twenty billion, two hundred thirty million, one hundred eleven thousand, two hundred twenty-one".