2112211122 has 16 divisors (see below), whose sum is σ = 4827911232. Its totient is φ = 603488880.

The previous prime is 2112211111. The next prime is 2112211139. The reversal of 2112211122 is 2211122112.

It is a super-2 number, since 2×2112211122² = 8922871647800997768, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25145329 + ... + 25145412.

It is an arithmetic number, because the mean of its divisors is an integer number (301744452).

Almost surely, 2^2112211122 is an apocalyptic number.

2112211122 is an abundant number, since it is smaller than the sum of its proper divisors (2715700110).

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

2112211122 is a wasteful number, since it uses less digits than its factorization.

2112211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50290753.

The product of its digits is 32, while the sum is 15.

The square root of 2112211122 is about 45958.7980913339. The cubic root of 2112211122 is about 1283.0564819036.

Adding to 2112211122 its reverse (2211122112), we get a palindrome (4323333234).

The spelling of 2112211122 in words is "two billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-two".