111331303320021 has 8 divisors (see below), whose sum is σ = 148441873385760. Its totient is φ = 74220801067152.

The previous prime is 111331303320011. The next prime is 111331303320071. The reversal of 111331303320021 is 120023303133111.

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

It is not a de Polignac number, because 111331303320021 - 2²³ = 111331294931413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111331303319973 and 111331303320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111331303320011) 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 7 ways as a sum of consecutive naturals, for example, 12990135 + ... + 19783988.

It is an arithmetic number, because the mean of its divisors is an integer number (18555234173220).

Almost surely, 2^{111331303320021} is an apocalyptic number.

It is an amenable number.

111331303320021 is a deficient number, since it is larger than the sum of its proper divisors (37110570065739).

111331303320021 is a wasteful number, since it uses less digits than its factorization.

111331303320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906435.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 111331303320021 its reverse (120023303133111), we get a palindrome (231354606453132).

The spelling of 111331303320021 in words is "one hundred eleven trillion, three hundred thirty-one billion, three hundred three million, three hundred twenty thousand, twenty-one".