22012210011 has 144 divisors (see below), whose sum is σ = 37082906784. Its totient is φ = 11556864000.

The previous prime is 22012209991. The next prime is 22012210019. The reversal of 22012210011 is 11001221022.

It is not a de Polignac number, because 22012210011 - 2²⁹ = 21475339099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012210019) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 91336851 + ... + 91337091.

It is an arithmetic number, because the mean of its divisors is an integer number (257520186).

Almost surely, 2^22012210011 is an apocalyptic number.

22012210011 is a deficient number, since it is larger than the sum of its proper divisors (15070696773).

22012210011 is a wasteful number, since it uses less digits than its factorization.

22012210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22012210011 its reverse (11001221022), we get a palindrome (33013431033).

The spelling of 22012210011 in words is "twenty-two billion, twelve million, two hundred ten thousand, eleven".