1100011012200 has 192 divisors, whose sum is σ = 3911150860800. Its totient is φ = 283873766400.

The previous prime is 1100011012153. The next prime is 1100011012201. The reversal of 1100011012200 is 22101100011.

It is a happy number.

It is a super-2 number, since 2×1100011012200² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1100011012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3118177 + ... + 3452976.

It is an arithmetic number, because the mean of its divisors is an integer number (20370577400).

Almost surely, 2^{1100011012200} is an apocalyptic number.

1100011012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100011012200 is an abundant number, since it is smaller than the sum of its proper divisors (2811139848600).

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

1100011012200 is a wasteful number, since it uses less digits than its factorization.

1100011012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571209 (or 6571194 counting only the distinct ones).

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

Adding to 1100011012200 its reverse (22101100011), we get a palindrome (1122112112211).

The spelling of 1100011012200 in words is "one trillion, one hundred billion, eleven million, twelve thousand, two hundred".