111221031441331 has 8 divisors (see below), whose sum is σ = 127123008848640. Its totient is φ = 95322368691528.

The previous prime is 111221031441263. The next prime is 111221031441371. The reversal of 111221031441331 is 133144130122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111221031441331 - 2³⁹ = 110671275627443 is a prime.

It is a super-2 number, since 2×111221031441331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111221031441331.

It is not an unprimeable number, because it can be changed into a prime (111221031441371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828592471 + ... + 828726688.

It is an arithmetic number, because the mean of its divisors is an integer number (15890376106080).

Almost surely, 2^{111221031441331} is an apocalyptic number.

111221031441331 is a deficient number, since it is larger than the sum of its proper divisors (15901977407309).

111221031441331 is an equidigital number, since it uses as much as digits as its factorization.

111221031441331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657328753.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 111221031441331 its reverse (133144130122111), we get a palindrome (244365161563442).

The spelling of 111221031441331 in words is "one hundred eleven trillion, two hundred twenty-one billion, thirty-one million, four hundred forty-one thousand, three hundred thirty-one".