1100022001200 has 240 divisors, whose sum is σ = 4121330761600. Its totient is φ = 277900243200.

The previous prime is 1100022001189. The next prime is 1100022001249. The reversal of 1100022001200 is 21002200011.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2475166 + ... + 2885565.

Almost surely, 2^{1100022001200} is an apocalyptic number.

1100022001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100022001200 is an abundant number, since it is smaller than the sum of its proper divisors (3021308760400).

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

1100022001200 is a wasteful number, since it uses less digits than its factorization.

1100022001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360777 (or 5360760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1100022001200 its reverse (21002200011), we get a palindrome (1121024201211).

The spelling of 1100022001200 in words is "one trillion, one hundred billion, twenty-two million, one thousand, two hundred".