2112213122 has 4 divisors (see below), whose sum is σ = 3168319686. Its totient is φ = 1056106560.

The previous prime is 2112213107. The next prime is 2112213143. The reversal of 2112213122 is 2213122112.

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., 1717356481 + 394856641 = 41441^2 + 19871^2 .

It is a super-2 number, since 2×2112213122² = 8922888545497973768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112213122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528053279 + ... + 528053282.

Almost surely, 2^2112213122 is an apocalyptic number.

2112213122 is a deficient number, since it is larger than the sum of its proper divisors (1056106564).

2112213122 is a wasteful number, since it uses less digits than its factorization.

2112213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056106563.

The product of its digits is 96, while the sum is 17.

The square root of 2112213122 is about 45958.8198499483. The cubic root of 2112213122 is about 1283.0568868682.

Adding to 2112213122 its reverse (2213122112), we get a palindrome (4325335234).

The spelling of 2112213122 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, one hundred twenty-two".