110221121100 has 72 divisors (see below), whose sum is σ = 319748215360. Its totient is φ = 29314716480.

The previous prime is 110221121081. The next prime is 110221121117. The reversal of 110221121100 is 1121122011.

110221121100 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371002 + ... + 598401.

Almost surely, 2^110221121100 is an apocalyptic number.

110221121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221121100 is an abundant number, since it is smaller than the sum of its proper divisors (209527094260).

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

110221121100 is a wasteful number, since it uses less digits than its factorization.

110221121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969799 (or 969792 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110221121100 its reverse (1121122011), we get a palindrome (111342243111).

The spelling of 110221121100 in words is "one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred".