1110020011200 has 252 divisors, whose sum is σ = 3975396553128. Its totient is φ = 293745254400.

The previous prime is 1110020011189. The next prime is 1110020011211. The reversal of 1110020011200 is 21100200111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1110020011189) and next prime (1110020011211).

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 35 ways as a sum of consecutive naturals, for example, 1592184 + ... + 2180616.

Almost surely, 2^{1110020011200} is an apocalyptic number.

1110020011200 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 1110020011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987698276564).

1110020011200 is an abundant number, since it is smaller than the sum of its proper divisors (2865376541928).

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

1110020011200 is a wasteful number, since it uses less digits than its factorization.

1110020011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588592 (or 588574 counting only the distinct ones).

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

Adding to 1110020011200 its reverse (21100200111), we get a palindrome (1131120211311).

The spelling of 1110020011200 in words is "one trillion, one hundred ten billion, twenty million, eleven thousand, two hundred".