1100210101200 has 360 divisors, whose sum is σ = 4593126408000. Its totient is φ = 238240880640.

The previous prime is 1100210101171. The next prime is 1100210101213. The reversal of 1100210101200 is 21010120011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

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 71 ways as a sum of consecutive naturals, for example, 670125 + ... + 1627724.

Almost surely, 2^{1100210101200} is an apocalyptic number.

1100210101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100210101200 is an abundant number, since it is smaller than the sum of its proper divisors (3492916306800).

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

1100210101200 is a wasteful number, since it uses less digits than its factorization.

1100210101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297899 (or 2297885 counting only the distinct ones).

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

Adding to 1100210101200 its reverse (21010120011), we get a palindrome (1121220221211).

The spelling of 1100210101200 in words is "one trillion, one hundred billion, two hundred ten million, one hundred one thousand, two hundred".