23331000011221 has 32 divisors (see below), whose sum is σ = 26771471400960. Its totient is φ = 19917577944000.

The previous prime is 23331000011177. The next prime is 23331000011269. The reversal of 23331000011221 is 12211000013332.

It is a cyclic number.

It is not a de Polignac number, because 23331000011221 - 2⁷ = 23331000011093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331000011821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9145823896 + ... + 9145826446.

It is an arithmetic number, because the mean of its divisors is an integer number (836608481280).

Almost surely, 2^{23331000011221} is an apocalyptic number.

It is an amenable number.

23331000011221 is a deficient number, since it is larger than the sum of its proper divisors (3440471389739).

23331000011221 is a wasteful number, since it uses less digits than its factorization.

23331000011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23331000011221 its reverse (12211000013332), we get a palindrome (35542000024553).

The spelling of 23331000011221 in words is "twenty-three trillion, three hundred thirty-one billion, eleven thousand, two hundred twenty-one".