11100121120111 has 24 divisors (see below), whose sum is σ = 11904743314640. Its totient is φ = 10346902612992.

The previous prime is 11100121120103. The next prime is 11100121120157. The reversal of 11100121120111 is 11102112100111.

It is not a de Polignac number, because 11100121120111 - 2³ = 11100121120103 is a prime.

It is a super-2 number, since 2×11100121120111² (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 = 11100121120091 and 11100121120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100121120211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74803756 + ... + 74951998.

Almost surely, 2^{11100121120111} is an apocalyptic number.

11100121120111 is a deficient number, since it is larger than the sum of its proper divisors (804622194529).

11100121120111 is a wasteful number, since it uses less digits than its factorization.

11100121120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150763 (or 150746 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11100121120111 its reverse (11102112100111), we get a palindrome (22202233220222).

The spelling of 11100121120111 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".