111332021401 has 4 divisors (see below), whose sum is σ = 111341188404. Its totient is φ = 111322854400.

The previous prime is 111332021393. The next prime is 111332021453. The reversal of 111332021401 is 104120233111.

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 17095301001 + 94236720400 = 130749^2 + 306980^2 .

It is a cyclic number.

It is not a de Polignac number, because 111332021401 - 2³ = 111332021393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111332021201) 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, 4565260 + ... + 4589581.

It is an arithmetic number, because the mean of its divisors is an integer number (27835297101).

Almost surely, 2^111332021401 is an apocalyptic number.

It is an amenable number.

111332021401 is a deficient number, since it is larger than the sum of its proper divisors (9167003).

111332021401 is an equidigital number, since it uses as much as digits as its factorization.

111332021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167002.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111332021401 its reverse (104120233111), we get a palindrome (215452254512).

The spelling of 111332021401 in words is "one hundred eleven billion, three hundred thirty-two million, twenty-one thousand, four hundred one".