11110102120121 has 4 divisors (see below), whose sum is σ = 11266582431744. Its totient is φ = 10953621808500.

The previous prime is 11110102120079. The next prime is 11110102120129. The reversal of 11110102120121 is 12102120101111.

11110102120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-11110102120121 is a prime.

It is a super-2 number, since 2×11110102120121² (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 = 11110102120096 and 11110102120105.

It is not an unprimeable number, because it can be changed into a prime (11110102120129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78240155705 + ... + 78240155846.

It is an arithmetic number, because the mean of its divisors is an integer number (2816645607936).

Almost surely, 2^{11110102120121} is an apocalyptic number.

It is an amenable number.

11110102120121 is a deficient number, since it is larger than the sum of its proper divisors (156480311623).

11110102120121 is an equidigital number, since it uses as much as digits as its factorization.

11110102120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156480311622.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11110102120121 its reverse (12102120101111), we get a palindrome (23212222221232).

The spelling of 11110102120121 in words is "eleven trillion, one hundred ten billion, one hundred two million, one hundred twenty thousand, one hundred twenty-one".