121102212323 has 4 divisors (see below), whose sum is σ = 121114040880. Its totient is φ = 121090383768.

The previous prime is 121102212311. The next prime is 121102212391. The reversal of 121102212323 is 323212201121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323212201121 = 47 ⋅6876855343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102212323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121102212295 and 121102212304.

It is not an unprimeable number, because it can be changed into a prime (121102211323) 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, 5898908 + ... + 5919401.

It is an arithmetic number, because the mean of its divisors is an integer number (30278510220).

Almost surely, 2^121102212323 is an apocalyptic number.

121102212323 is a deficient number, since it is larger than the sum of its proper divisors (11828557).

121102212323 is a wasteful number, since it uses less digits than its factorization.

121102212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828556.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121102212323 its reverse (323212201121), we get a palindrome (444314413444).

The spelling of 121102212323 in words is "one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, three hundred twenty-three".