111030021010321 has 48 divisors (see below), whose sum is σ = 134474678018640. Its totient is φ = 91293106544640.

The previous prime is 111030021010217. The next prime is 111030021010331. The reversal of 111030021010321 is 123010120030111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5523740869696 + 105506280140625 = 2350264^2 + 10271625^2 .

It is not a de Polignac number, because 111030021010321 - 2¹³ = 111030021002129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111030021010295 and 111030021010304.

It is not an unprimeable number, because it can be changed into a prime (111030021010331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3710757441 + ... + 3710787361.

It is an arithmetic number, because the mean of its divisors is an integer number (2801555792055).

Almost surely, 2^{111030021010321} is an apocalyptic number.

It is an amenable number.

111030021010321 is a deficient number, since it is larger than the sum of its proper divisors (23444657008319).

111030021010321 is a wasteful number, since it uses less digits than its factorization.

111030021010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46754 (or 46747 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111030021010321 its reverse (123010120030111), we get a palindrome (234040141040432).

The spelling of 111030021010321 in words is "one hundred eleven trillion, thirty billion, twenty-one million, ten thousand, three hundred twenty-one".