1100011222121 has 8 divisors (see below), whose sum is σ = 1257162057984. Its totient is φ = 942861980160.

The previous prime is 1100011222111. The next prime is 1100011222151. The reversal of 1100011222121 is 1212221100011.

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

It is a cyclic number.

It is not a de Polignac number, because 1100011222121 - 2²² = 1100007027817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100011222096 and 1100011222105.

It is not an unprimeable number, because it can be changed into a prime (1100011222111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2286761 + ... + 2725673.

It is an arithmetic number, because the mean of its divisors is an integer number (157145257248).

Almost surely, 2^{1100011222121} is an apocalyptic number.

It is an amenable number.

1100011222121 is a deficient number, since it is larger than the sum of its proper divisors (157150835863).

1100011222121 is an equidigital number, since it uses as much as digits as its factorization.

1100011222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796951.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100011222121 its reverse (1212221100011), we get a palindrome (2312232322132).

The spelling of 1100011222121 in words is "one trillion, one hundred billion, eleven million, two hundred twenty-two thousand, one hundred twenty-one".