111121223331 has 8 divisors (see below), whose sum is σ = 148588611264. Its totient is φ = 73867325480.

The previous prime is 111121223329. The next prime is 111121223413. The reversal of 111121223331 is 133322121111.

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 111121223331 - 2¹ = 111121223329 is a prime.

It is a super-2 number, since 2×111121223331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111121223298 and 111121223307.

It is not an unprimeable number, because it can be changed into a prime (111121623331) 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, 53371305 + ... + 53373386.

It is an arithmetic number, because the mean of its divisors is an integer number (18573576408).

Almost surely, 2^111121223331 is an apocalyptic number.

111121223331 is a deficient number, since it is larger than the sum of its proper divisors (37467387933).

111121223331 is a wasteful number, since it uses less digits than its factorization.

111121223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106745041.

The product of its digits is 216, while the sum is 21.

Adding to 111121223331 its reverse (133322121111), we get a palindrome (244443344442).

The spelling of 111121223331 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty-one".