23221001123111 has 24 divisors (see below), whose sum is σ = 26418632209200. Its totient is φ = 20370809782400.

The previous prime is 23221001123107. The next prime is 23221001123141. The reversal of 23221001123111 is 11132110012232.

It is not a de Polignac number, because 23221001123111 - 2² = 23221001123107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221001123141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4527755 + ... + 8181843.

It is an arithmetic number, because the mean of its divisors is an integer number (1100776342050).

Almost surely, 2^{23221001123111} is an apocalyptic number.

23221001123111 is a deficient number, since it is larger than the sum of its proper divisors (3197631086089).

23221001123111 is a wasteful number, since it uses less digits than its factorization.

23221001123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655951 (or 3655940 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 23221001123111 its reverse (11132110012232), we get a palindrome (34353111135343).

The spelling of 23221001123111 in words is "twenty-three trillion, two hundred twenty-one billion, one million, one hundred twenty-three thousand, one hundred eleven".