23322222121 has 8 divisors (see below), whose sum is σ = 25495545600. Its totient is φ = 21157752240.

The previous prime is 23322222107. The next prime is 23322222127. The reversal of 23322222121 is 12122222332.

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

It is a cyclic number.

It is not a de Polignac number, because 23322222121 - 2²³ = 23313833513 is a prime.

It is a super-2 number, since 2×23322222121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23322222092 and 23322222101.

It is not an unprimeable number, because it can be changed into a prime (23322222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207886 + ... + 2218423.

It is an arithmetic number, because the mean of its divisors is an integer number (3186943200).

Almost surely, 2^23322222121 is an apocalyptic number.

It is an amenable number.

23322222121 is a deficient number, since it is larger than the sum of its proper divisors (2173323479).

23322222121 is a wasteful number, since it uses less digits than its factorization.

23322222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426799.

The product of its digits is 1152, while the sum is 22.

Adding to 23322222121 its reverse (12122222332), we get a palindrome (35444444453).

The spelling of 23322222121 in words is "twenty-three billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".