111213030333121 has 4 divisors (see below), whose sum is σ = 111261446979012. Its totient is φ = 111164613687232.

The previous prime is 111213030333059. The next prime is 111213030333233. The reversal of 111213030333121 is 121333030312111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81677761880625 + 29535268452496 = 9037575^2 + 5434636^2 .

It is a cyclic number.

It is not a de Polignac number, because 111213030333121 - 2²⁹ = 111212493462209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111213030363121) 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 3 ways as a sum of consecutive naturals, for example, 24208319500 + ... + 24208324093.

It is an arithmetic number, because the mean of its divisors is an integer number (27815361744753).

Almost surely, 2^{111213030333121} is an apocalyptic number.

It is an amenable number.

111213030333121 is a deficient number, since it is larger than the sum of its proper divisors (48416645891).

111213030333121 is an equidigital number, since it uses as much as digits as its factorization.

111213030333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48416645890.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 111213030333121 its reverse (121333030312111), we get a palindrome (232546060645232).

The spelling of 111213030333121 in words is "one hundred eleven trillion, two hundred thirteen billion, thirty million, three hundred thirty-three thousand, one hundred twenty-one".