121113313013111 has 8 divisors (see below), whose sum is σ = 128239731553104. Its totient is φ = 113987128474240.

The previous prime is 121113313013093. The next prime is 121113313013117. The reversal of 121113313013111 is 111310313311121.

It is a happy number.

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-121113313013111 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 (121113313013117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57434120 + ... + 59505501.

It is an arithmetic number, because the mean of its divisors is an integer number (16029966444138).

Almost surely, 2^{121113313013111} is an apocalyptic number.

121113313013111 is a deficient number, since it is larger than the sum of its proper divisors (7126418539993).

121113313013111 is a wasteful number, since it uses less digits than its factorization.

121113313013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117000561.

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 121113313013111 its reverse (111310313311121), we get a palindrome (232423626324232).

The spelling of 121113313013111 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirteen million, thirteen thousand, one hundred eleven".