23212110111 has 8 divisors (see below), whose sum is σ = 30955047984. Its totient is φ = 15471956160.

The previous prime is 23212110109. The next prime is 23212110113. The reversal of 23212110111 is 11101121232.

It is an interprime number because it is at equal distance from previous prime (23212110109) and next prime (23212110113).

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

It is not a de Polignac number, because 23212110111 - 2¹ = 23212110109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212110113) 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, 676446 + ... + 709931.

It is an arithmetic number, because the mean of its divisors is an integer number (3869380998).

Almost surely, 2^23212110111 is an apocalyptic number.

23212110111 is a deficient number, since it is larger than the sum of its proper divisors (7742937873).

23212110111 is a wasteful number, since it uses less digits than its factorization.

23212110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391961.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 23212110111 its reverse (11101121232), we get a palindrome (34313231343).

The spelling of 23212110111 in words is "twenty-three billion, two hundred twelve million, one hundred ten thousand, one hundred eleven".