121110002101111 has 16 divisors (see below), whose sum is σ = 124759093052160. Its totient is φ = 117494037535680.

The previous prime is 121110002101079. The next prime is 121110002101139. The reversal of 121110002101111 is 111101200011121.

It is a cyclic number.

It is not a de Polignac number, because 121110002101111 - 2⁵ = 121110002101079 is a prime.

It is a super-2 number, since 2×121110002101111² (a number of 29 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 = 121110002101091 and 121110002101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110002101181) 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, 636511756 + ... + 636701998.

It is an arithmetic number, because the mean of its divisors is an integer number (7797443315760).

Almost surely, 2^{121110002101111} is an apocalyptic number.

121110002101111 is a deficient number, since it is larger than the sum of its proper divisors (3649090951049).

121110002101111 is a wasteful number, since it uses less digits than its factorization.

121110002101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277206.

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

Adding to 121110002101111 its reverse (111101200011121), we get a palindrome (232211202112232).

The spelling of 121110002101111 in words is "one hundred twenty-one trillion, one hundred ten billion, two million, one hundred one thousand, one hundred eleven".