23220122100 has 72 divisors (see below), whose sum is σ = 76781210688. Its totient is φ = 5307456000.

The previous prime is 23220122071. The next prime is 23220122111. The reversal of 23220122100 is 122102232.

It is a happy number.

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 23220122100.

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 23 ways as a sum of consecutive naturals, for example, 5526501 + ... + 5530700.

It is an arithmetic number, because the mean of its divisors is an integer number (1066405704).

Almost surely, 2^23220122100 is an apocalyptic number.

23220122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220122100 is an abundant number, since it is smaller than the sum of its proper divisors (53561088588).

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

23220122100 is a wasteful number, since it uses less digits than its factorization.

23220122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057225 (or 11057218 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23220122100 its reverse (122102232), we get a palindrome (23342224332).

The spelling of 23220122100 in words is "twenty-three billion, two hundred twenty million, one hundred twenty-two thousand, one hundred".