121102232232123 has 16 divisors (see below), whose sum is σ = 185597290778400. Its totient is φ = 77950862125920.

The previous prime is 121102232232097. The next prime is 121102232232131. The reversal of 121102232232123 is 321232232201121.

121102232232123 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 0 + 223 + 223 + 212 + 3 = 666.

It is not a de Polignac number, because 121102232232123 - 2⁸ = 121102232231867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121102232232523) 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, 77332203708 + ... + 77332205273.

It is an arithmetic number, because the mean of its divisors is an integer number (11599830673650).

Almost surely, 2^{121102232232123} is an apocalyptic number.

121102232232123 is a deficient number, since it is larger than the sum of its proper divisors (64495058546277).

121102232232123 is a wasteful number, since it uses less digits than its factorization.

121102232232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154664409019 (or 154664409013 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121102232232123 its reverse (321232232201121), we get a palindrome (442334464433244).

The spelling of 121102232232123 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred thirty-two million, two hundred thirty-two thousand, one hundred twenty-three".