110021112100 has 18 divisors (see below), whose sum is σ = 238745813474. Its totient is φ = 44008444800.

The previous prime is 110021112077. The next prime is 110021112121. The reversal of 110021112100 is 1211120011.

It can be written as a sum of positive squares in 3 ways, for example, as 25027872804 + 84993239296 = 158202^2 + 291536^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550105461 + ... + 550105660.

Almost surely, 2^110021112100 is an apocalyptic number.

110021112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021112100 is an abundant number, since it is smaller than the sum of its proper divisors (128724701374).

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

110021112100 is a wasteful number, since it uses less digits than its factorization.

110021112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100211135 (or 1100211128 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110021112100 its reverse (1211120011), we get a palindrome (111232232111).

The spelling of 110021112100 in words is "one hundred ten billion, twenty-one million, one hundred twelve thousand, one hundred".