11111012101121 has 8 divisors (see below), whose sum is σ = 11463953258880. Its totient is φ = 10763378329392.

The previous prime is 11111012101117. The next prime is 11111012101127. The reversal of 11111012101121 is 12110121011111.

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 11111012101121 - 2² = 11111012101117 is a prime.

It is a super-2 number, since 2×11111012101121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11111012101096 and 11111012101105.

It is not an unprimeable number, because it can be changed into a prime (11111012101127) 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, 1326842255 + ... + 1326850628.

It is an arithmetic number, because the mean of its divisors is an integer number (1432994157360).

Almost surely, 2^{11111012101121} is an apocalyptic number.

It is an amenable number.

11111012101121 is a deficient number, since it is larger than the sum of its proper divisors (352941157759).

11111012101121 is an equidigital number, since it uses as much as digits as its factorization.

11111012101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653693015.

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

Adding to 11111012101121 its reverse (12110121011111), we get a palindrome (23221133112232).

The spelling of 11111012101121 in words is "eleven trillion, one hundred eleven billion, twelve million, one hundred one thousand, one hundred twenty-one".