22012222011 has 8 divisors (see below), whose sum is σ = 31607293200. Its totient is φ = 13545982752.

The previous prime is 22012221947. The next prime is 22012222027. The reversal of 22012222011 is 11022221022.

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

It is not a de Polignac number, because 22012222011 - 2⁶ = 22012221947 is a prime.

It is a super-3 number, since 3×22012222011³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012223011) 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, 282207936 + ... + 282208013.

It is an arithmetic number, because the mean of its divisors is an integer number (3950911650).

Almost surely, 2^22012222011 is an apocalyptic number.

22012222011 is a deficient number, since it is larger than the sum of its proper divisors (9595071189).

22012222011 is a wasteful number, since it uses less digits than its factorization.

22012222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564415965.

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

Adding to 22012222011 its reverse (11022221022), we get a palindrome (33034443033).

The spelling of 22012222011 in words is "twenty-two billion, twelve million, two hundred twenty-two thousand, eleven".