121310233111 has 8 divisors (see below), whose sum is σ = 121948295040. Its totient is φ = 120673844832.

The previous prime is 121310233091. The next prime is 121310233127. The reversal of 121310233111 is 111332013121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121310233111 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 (121310233141) 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, 272935 + ... + 563128.

It is an arithmetic number, because the mean of its divisors is an integer number (15243536880).

Almost surely, 2^121310233111 is an apocalyptic number.

121310233111 is a deficient number, since it is larger than the sum of its proper divisors (638061929).

121310233111 is an equidigital number, since it uses as much as digits as its factorization.

121310233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836825.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121310233111 its reverse (111332013121), we get a palindrome (232642246232).

The spelling of 121310233111 in words is "one hundred twenty-one billion, three hundred ten million, two hundred thirty-three thousand, one hundred eleven".