11110100400121 has 8 divisors (see below), whose sum is σ = 11498962606920. Its totient is φ = 10721621879808.

The previous prime is 11110100400089. The next prime is 11110100400167. The reversal of 11110100400121 is 12100400101111.

It can be written as a sum of positive squares in 4 ways, for example, as 106317732096 + 11003782668025 = 326064^2 + 3317195^2 .

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 11110100400121 - 2⁵ = 11110100400089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110100407121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95862696 + ... + 95978521.

It is an arithmetic number, because the mean of its divisors is an integer number (1437370325865).

Almost surely, 2^{11110100400121} is an apocalyptic number.

It is an amenable number.

11110100400121 is a deficient number, since it is larger than the sum of its proper divisors (388862206799).

11110100400121 is a wasteful number, since it uses less digits than its factorization.

11110100400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191843243.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11110100400121 its reverse (12100400101111), we get a palindrome (23210500501232).

The spelling of 11110100400121 in words is "eleven trillion, one hundred ten billion, one hundred million, four hundred thousand, one hundred twenty-one".