1115402220200 has 96 divisors (see below), whose sum is σ = 2670474078720. Its totient is φ = 432999360000.

The previous prime is 1115402220199. The next prime is 1115402220203. The reversal of 1115402220200 is 20222045111.

It is a super-2 number, since 2×1115402220200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1115402220203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210115 + ... + 1922285.

It is an arithmetic number, because the mean of its divisors is an integer number (27817438320).

Almost surely, 2^{1115402220200} is an apocalyptic number.

1115402220200 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 1115402220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335237039360).

1115402220200 is an abundant number, since it is smaller than the sum of its proper divisors (1555071858520).

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

1115402220200 is a wasteful number, since it uses less digits than its factorization.

1115402220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712419 (or 712410 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1115402220200 its reverse (20222045111), we get a palindrome (1135624265311).

The spelling of 1115402220200 in words is "one trillion, one hundred fifteen billion, four hundred two million, two hundred twenty thousand, two hundred".