121112122101121 has 8 divisors (see below), whose sum is σ = 121885893206720. Its totient is φ = 120338380822608.

The previous prime is 121112122101049. The next prime is 121112122101199. The reversal of 121112122101121 is 121101221211121.

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 121112122101121 - 2²⁵ = 121112088546689 is a prime.

It is a super-2 number, since 2×121112122101121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112122102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718660 + ... + 15580138.

It is an arithmetic number, because the mean of its divisors is an integer number (15235736650840).

Almost surely, 2^{121112122101121} is an apocalyptic number.

It is an amenable number.

121112122101121 is a deficient number, since it is larger than the sum of its proper divisors (773771105599).

121112122101121 is a wasteful number, since it uses less digits than its factorization.

121112122101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14913543.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 121112122101121 its reverse (121101221211121), we get a palindrome (242213343312242).

The spelling of 121112122101121 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred twenty-one".