2142222011 has 16 divisors (see below), whose sum is σ = 2225377728. Its totient is φ = 2061158400.

The previous prime is 2142222007. The next prime is 2142222023. The reversal of 2142222011 is 1102222412.

It is not a de Polignac number, because 2142222011 - 2² = 2142222007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142222911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500621 + ... + 504881.

It is an arithmetic number, because the mean of its divisors is an integer number (139086108).

Almost surely, 2^2142222011 is an apocalyptic number.

2142222011 is a deficient number, since it is larger than the sum of its proper divisors (83155717).

2142222011 is an equidigital number, since it uses as much as digits as its factorization.

2142222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2142222011 is about 46284.1442720939. The cubic root of 2142222011 is about 1289.1046028884.

Adding to 2142222011 its reverse (1102222412), we get a palindrome (3244444423).

The spelling of 2142222011 in words is "two billion, one hundred forty-two million, two hundred twenty-two thousand, eleven".