2111231322 has 48 divisors (see below), whose sum is σ = 4945256160. Its totient is φ = 648681696.

The previous prime is 2111231293. The next prime is 2111231323. The reversal of 2111231322 is 2231321112.

2111231322 is a `hidden beast` number, since 2 + 111 + 231 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2111231295 and 2111231304.

It is not an unprimeable number, because it can be changed into a prime (2111231323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70768 + ... + 96075.

It is an arithmetic number, because the mean of its divisors is an integer number (103026170).

Almost surely, 2^2111231322 is an apocalyptic number.

2111231322 is an abundant number, since it is smaller than the sum of its proper divisors (2834024838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111231322 is a wasteful number, since it uses less digits than its factorization.

2111231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166907 (or 166904 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2111231322 is about 45948.1373071858. The cubic root of 2111231322 is about 1282.8580590025.

Adding to 2111231322 its reverse (2231321112), we get a palindrome (4342552434).

The spelling of 2111231322 in words is "two billion, one hundred eleven million, two hundred thirty-one thousand, three hundred twenty-two".