1100121100100 has 36 divisors (see below), whose sum is σ = 2604286679568. Its totient is φ = 400044036000.

The previous prime is 1100121100097. The next prime is 1100121100103. The reversal of 1100121100100 is 10011210011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1100121100097) and next prime (1100121100103).

It is not an unprimeable number, because it can be changed into a prime (1100121100103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500053946 + ... + 500056145.

Almost surely, 2^{1100121100100} is an apocalyptic number.

1100121100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100121100100 is an abundant number, since it is smaller than the sum of its proper divisors (1504165579468).

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

1100121100100 is a wasteful number, since it uses less digits than its factorization.

1100121100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000110116 (or 1000110109 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1100121100100 its reverse (10011210011), we get a palindrome (1110132310111).

The spelling of 1100121100100 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, one hundred".