121102232331 has 16 divisors (see below), whose sum is σ = 164415254400. Its totient is φ = 79265496768.

The previous prime is 121102232231. The next prime is 121102232333. The reversal of 121102232331 is 133232201121.

It is not a de Polignac number, because 121102232331 - 2¹⁰ = 121102231307 is a prime.

It is a super-2 number, since 2×121102232331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121102232298 and 121102232307.

It is not an unprimeable number, because it can be changed into a prime (121102232333) 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, 295386 + ... + 573983.

It is an arithmetic number, because the mean of its divisors is an integer number (10275953400).

Almost surely, 2^121102232331 is an apocalyptic number.

121102232331 is a deficient number, since it is larger than the sum of its proper divisors (43313022069).

121102232331 is an equidigital number, since it uses as much as digits as its factorization.

121102232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870218.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121102232331 its reverse (133232201121), we get a palindrome (254334433452).

The spelling of 121102232331 in words is "one hundred twenty-one billion, one hundred two million, two hundred thirty-two thousand, three hundred thirty-one".