23212201110 has 96 divisors (see below), whose sum is σ = 65717713152. Its totient is φ = 5230895040.

The previous prime is 23212201097. The next prime is 23212201123. The reversal of 23212201110 is 1110221232.

It is an interprime number because it is at equal distance from previous prime (23212201097) and next prime (23212201123).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23212201110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6832 + ... + 215571.

It is an arithmetic number, because the mean of its divisors is an integer number (684559512).

Almost surely, 2^23212201110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23212201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32858856576).

23212201110 is an abundant number, since it is smaller than the sum of its proper divisors (42505512042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212201110 is a wasteful number, since it uses less digits than its factorization.

23212201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222498 (or 222491 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23212201110 its reverse (1110221232), we get a palindrome (24322422342).

The spelling of 23212201110 in words is "twenty-three billion, two hundred twelve million, two hundred one thousand, one hundred ten".