110021120100 has 144 divisors (see below), whose sum is σ = 361923432640. Its totient is φ = 28656633600.

The previous prime is 110021120093. The next prime is 110021120113. The reversal of 110021120100 is 1021120011.

It is a happy number.

110021120100 is digitally balanced in base 3, 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 (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357721 + ... + 589920.

Almost surely, 2^110021120100 is an apocalyptic number.

110021120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021120100 is an abundant number, since it is smaller than the sum of its proper divisors (251902312540).

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

110021120100 is a wasteful number, since it uses less digits than its factorization.

110021120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947707 (or 947694 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110021120100 its reverse (1021120011), we get a palindrome (111042240111).

The spelling of 110021120100 in words is "one hundred ten billion, twenty-one million, one hundred twenty thousand, one hundred".