111332212131 has 8 divisors (see below), whose sum is σ = 169649085184. Its totient is φ = 63618406920.

The previous prime is 111332212129. The next prime is 111332212139. The reversal of 111332212131 is 131212233111.

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

It is not a de Polignac number, because 111332212131 - 2¹ = 111332212129 is a prime.

It is a super-2 number, since 2×111332212131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5301533911 = 111332212131 / (1 + 1 + 1 + 3 + 3 + 2 + 2 + 1 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111332212098 and 111332212107.

It is not an unprimeable number, because it can be changed into a prime (111332212139) 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, 2650766935 + ... + 2650766976.

It is an arithmetic number, because the mean of its divisors is an integer number (21206135648).

Almost surely, 2^111332212131 is an apocalyptic number.

111332212131 is a deficient number, since it is larger than the sum of its proper divisors (58316873053).

111332212131 is an equidigital number, since it uses as much as digits as its factorization.

111332212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301533921.

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

Adding to 111332212131 its reverse (131212233111), we get a palindrome (242544445242).

The spelling of 111332212131 in words is "one hundred eleven billion, three hundred thirty-two million, two hundred twelve thousand, one hundred thirty-one".