1110020100 has 432 divisors, whose sum is σ = 4093071360. Its totient is φ = 227174400.

The previous prime is 1110020099. The next prime is 1110020129. The reversal of 1110020100 is 10200111.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18813871 + ... + 18813929.

Almost surely, 2^1110020100 is an apocalyptic number.

1110020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046535680).

1110020100 is an abundant number, since it is smaller than the sum of its proper divisors (2983051260).

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

1110020100 is a wasteful number, since it uses less digits than its factorization.

1110020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1110020100 is about 33316.9641474130. The cubic root of 1110020100 is about 1035.4050551152.

Adding to 1110020100 its reverse (10200111), we get a palindrome (1120220211).

The spelling of 1110020100 in words is "one billion, one hundred ten million, twenty thousand, one hundred".