2112111322 has 4 divisors (see below), whose sum is σ = 3168166986. Its totient is φ = 1056055660.

The previous prime is 2112111319. The next prime is 2112111343. The reversal of 2112111322 is 2231112112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1295352081 + 816759241 = 35991^2 + 28579^2 .

It is a super-2 number, since 2×2112111322² = 8922028473041175368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112111296 and 2112111305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528027829 + ... + 528027832.

Almost surely, 2^2112111322 is an apocalyptic number.

2112111322 is a deficient number, since it is larger than the sum of its proper divisors (1056055664).

2112111322 is a wasteful number, since it uses less digits than its factorization.

2112111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056055663.

The product of its digits is 48, while the sum is 16.

The square root of 2112111322 is about 45957.7123233957. The cubic root of 2112111322 is about 1283.0362738458.

Adding to 2112111322 its reverse (2231112112), we get a palindrome (4343223434).

The spelling of 2112111322 in words is "two billion, one hundred twelve million, one hundred eleven thousand, three hundred twenty-two".