1100100211121 has 8 divisors (see below), whose sum is σ = 1121148385344. Its totient is φ = 1079062835760.

The previous prime is 1100100211087. The next prime is 1100100211127. The reversal of 1100100211121 is 1211120010011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100100211121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100100211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493875 + ... + 2901656.

It is an arithmetic number, because the mean of its divisors is an integer number (140143548168).

Almost surely, 2^{1100100211121} is an apocalyptic number.

It is an amenable number.

1100100211121 is a deficient number, since it is larger than the sum of its proper divisors (21048174223).

1100100211121 is an equidigital number, since it uses as much as digits as its factorization.

1100100211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399431.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100100211121 its reverse (1211120010011), we get a palindrome (2311220221132).

The spelling of 1100100211121 in words is "one trillion, one hundred billion, one hundred million, two hundred eleven thousand, one hundred twenty-one".