121232102311 has 4 divisors (see below), whose sum is σ = 121235635624. Its totient is φ = 121228569000.

The previous prime is 121232102291. The next prime is 121232102347. The reversal of 121232102311 is 113201232121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113201232121 = 71 ⋅1594383551.

It is a cyclic number.

It is not a de Polignac number, because 121232102311 - 2⁵ = 121232102279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232102371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714680 + ... + 1783981.

It is an arithmetic number, because the mean of its divisors is an integer number (30308908906).

Almost surely, 2^121232102311 is an apocalyptic number.

121232102311 is a deficient number, since it is larger than the sum of its proper divisors (3533313).

121232102311 is an equidigital number, since it uses as much as digits as its factorization.

121232102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533312.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121232102311 its reverse (113201232121), we get a palindrome (234433334432).

The spelling of 121232102311 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred two thousand, three hundred eleven".