111301111302121 has 12 divisors (see below), whose sum is σ = 120541038401628. Its totient is φ = 102722679681024.

The previous prime is 111301111302119. The next prime is 111301111302169. The reversal of 111301111302121 is 121203111103111.

It can be written as a sum of positive squares in 6 ways, for example, as 42538623242896 + 68762488059225 = 6522164^2 + 8292315^2 .

It is not a de Polignac number, because 111301111302121 - 2¹ = 111301111302119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111301111302421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52834600 + ... + 54900793.

It is an arithmetic number, because the mean of its divisors is an integer number (10045086533469).

Almost surely, 2^{111301111302121} is an apocalyptic number.

It is an amenable number.

111301111302121 is a deficient number, since it is larger than the sum of its proper divisors (9239927099507).

111301111302121 is a wasteful number, since it uses less digits than its factorization.

111301111302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107741532 (or 107741519 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 111301111302121 its reverse (121203111103111), we get a palindrome (232504222405232).

The spelling of 111301111302121 in words is "one hundred eleven trillion, three hundred one billion, one hundred eleven million, three hundred two thousand, one hundred twenty-one".