111121133313 has 16 divisors (see below), whose sum is σ = 148831704000. Its totient is φ = 73746167040.

The previous prime is 111121133311. The next prime is 111121133363. The reversal of 111121133313 is 313331121111.

It is not a de Polignac number, because 111121133313 - 2¹ = 111121133311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111121133313.

It is not an unprimeable number, because it can be changed into a prime (111121133311) 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, 821478 + ... + 947136.

It is an arithmetic number, because the mean of its divisors is an integer number (9301981500).

Almost surely, 2^111121133313 is an apocalyptic number.

It is an amenable number.

111121133313 is a deficient number, since it is larger than the sum of its proper divisors (37710570687).

111121133313 is a wasteful number, since it uses less digits than its factorization.

111121133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126992.

The product of its digits is 162, while the sum is 21.

Adding to 111121133313 its reverse (313331121111), we get a palindrome (424452254424).

The spelling of 111121133313 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred thirteen".