2122222011 has 32 divisors (see below), whose sum is σ = 3491120640. Its totient is φ = 1116681984.

The previous prime is 2122221989. The next prime is 2122222027. The reversal of 2122222011 is 1102222212.

It is not a de Polignac number, because 2122222011 - 2⁶ = 2122221947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122222051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105111 + ... + 123663.

It is an arithmetic number, because the mean of its divisors is an integer number (109097520).

Almost surely, 2^2122222011 is an apocalyptic number.

2122222011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2122222011 is a deficient number, since it is larger than the sum of its proper divisors (1368898629).

2122222011 is a wasteful number, since it uses less digits than its factorization.

2122222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2122222011 is about 46067.5809110919. The cubic root of 2122222011 is about 1285.0803163574.

Adding to 2122222011 its reverse (1102222212), we get a palindrome (3224444223).

The spelling of 2122222011 in words is "two billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".