23212210111 has 24 divisors (see below), whose sum is σ = 24733416624. Its totient is φ = 21780420480.

The previous prime is 23212210093. The next prime is 23212210129. The reversal of 23212210111 is 11101221232.

It is an interprime number because it is at equal distance from previous prime (23212210093) and next prime (23212210129).

It is not a de Polignac number, because 23212210111 - 2¹⁷ = 23212079039 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 (23212210141) 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 23 ways as a sum of consecutive naturals, for example, 24772435 + ... + 24773371.

It is an arithmetic number, because the mean of its divisors is an integer number (1030559026).

Almost surely, 2^23212210111 is an apocalyptic number.

23212210111 is a deficient number, since it is larger than the sum of its proper divisors (1521206513).

23212210111 is a wasteful number, since it uses less digits than its factorization.

23212210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23212210111 its reverse (11101221232), we get a palindrome (34313431343).

The spelling of 23212210111 in words is "twenty-three billion, two hundred twelve million, two hundred ten thousand, one hundred eleven".