121302233012111 has 32 divisors (see below), whose sum is σ = 132118247439360. Its totient is φ = 110998863271296.

The previous prime is 121302233012069. The next prime is 121302233012159. The reversal of 121302233012111 is 111210332203121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121302233012111 - 2²² = 121302228817807 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 (121302233018111) 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 31 ways as a sum of consecutive naturals, for example, 109897610 + ... + 110995896.

It is an arithmetic number, because the mean of its divisors is an integer number (4128695232480).

Almost surely, 2^{121302233012111} is an apocalyptic number.

121302233012111 is a deficient number, since it is larger than the sum of its proper divisors (10816014427249).

121302233012111 is a wasteful number, since it uses less digits than its factorization.

121302233012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100063.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121302233012111 its reverse (111210332203121), we get a palindrome (232512565215232).

The spelling of 121302233012111 in words is "one hundred twenty-one trillion, three hundred two billion, two hundred thirty-three million, twelve thousand, one hundred eleven".