2112222011 has 8 divisors (see below), whose sum is σ = 2122632000. Its totient is φ = 2101825600.

The previous prime is 2112221999. The next prime is 2112222031. The reversal of 2112222011 is 1102222112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112222011 - 2¹⁰ = 2112220987 is a prime.

It is a super-2 number, since 2×2112222011² = 8922963647505768242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112222031) 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, 452015 + ... + 456663.

It is an arithmetic number, because the mean of its divisors is an integer number (265329000).

Almost surely, 2^2112222011 is an apocalyptic number.

2112222011 is a deficient number, since it is larger than the sum of its proper divisors (10409989).

2112222011 is a wasteful number, since it uses less digits than its factorization.

2112222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6789.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112222011 is about 45958.9165559851. The cubic root of 2112222011 is about 1283.0586867303.

Adding to 2112222011 its reverse (1102222112), we get a palindrome (3214444123).

It can be divided in two parts, 211 and 2222011, that added together give a palindrome (2222222).

The spelling of 2112222011 in words is "two billion, one hundred twelve million, two hundred twenty-two thousand, eleven".