121101230111 has 16 divisors (see below), whose sum is σ = 125039996928. Its totient is φ = 117215683200.

The previous prime is 121101230059. The next prime is 121101230161. The reversal of 121101230111 is 111032101121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101230111 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 (121101230161) 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, 4798556 + ... + 4823726.

It is an arithmetic number, because the mean of its divisors is an integer number (7814999808).

Almost surely, 2^121101230111 is an apocalyptic number.

121101230111 is a deficient number, since it is larger than the sum of its proper divisors (3938766817).

121101230111 is a wasteful number, since it uses less digits than its factorization.

121101230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121101230111 its reverse (111032101121), we get a palindrome (232133331232).

The spelling of 121101230111 in words is "one hundred twenty-one billion, one hundred one million, two hundred thirty thousand, one hundred eleven".