23212120110 has 32 divisors (see below), whose sum is σ = 58986094752. Its totient is φ = 5825786880.

The previous prime is 23212120103. The next prime is 23212120147. The reversal of 23212120110 is 1102121232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23212120110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22756471 + ... + 22757490.

It is an arithmetic number, because the mean of its divisors is an integer number (1843315461).

Almost surely, 2^23212120110 is an apocalyptic number.

23212120110 is an abundant number, since it is smaller than the sum of its proper divisors (35773974642).

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

23212120110 is a wasteful number, since it uses less digits than its factorization.

23212120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45513988.

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

Adding to 23212120110 its reverse (1102121232), we get a palindrome (24314241342).

The spelling of 23212120110 in words is "twenty-three billion, two hundred twelve million, one hundred twenty thousand, one hundred ten".