11110011112121 has 16 divisors (see below), whose sum is σ = 11279280196800. Its totient is φ = 10941927124800.

The previous prime is 11110011112087. The next prime is 11110011112147. The reversal of 11110011112121 is 12121111001111.

It is a cyclic number.

It is not a de Polignac number, because 11110011112121 - 2¹⁰ = 11110011111097 is a prime.

It is a super-2 number, since 2×11110011112121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110011112096 and 11110011112105.

It is not an unprimeable number, because it can be changed into a prime (11110011112621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101400050 + ... + 101509556.

It is an arithmetic number, because the mean of its divisors is an integer number (704955012300).

Almost surely, 2^{11110011112121} is an apocalyptic number.

It is an amenable number.

11110011112121 is a deficient number, since it is larger than the sum of its proper divisors (169269084679).

11110011112121 is a wasteful number, since it uses less digits than its factorization.

11110011112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114904.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11110011112121 its reverse (12121111001111), we get a palindrome (23231122113232).

The spelling of 11110011112121 in words is "eleven trillion, one hundred ten billion, eleven million, one hundred twelve thousand, one hundred twenty-one".