202112222011 has 24 divisors (see below), whose sum is σ = 244179364320. Its totient is φ = 163853940096.

The previous prime is 202112221967. The next prime is 202112222033. The reversal of 202112222011 is 110222211202.

It is a happy number.

It is not a de Polignac number, because 202112222011 - 2⁹ = 202112221499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112222051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494345 + ... + 1623973.

It is an arithmetic number, because the mean of its divisors is an integer number (10174140180).

Almost surely, 2^202112222011 is an apocalyptic number.

202112222011 is a deficient number, since it is larger than the sum of its proper divisors (42067142309).

202112222011 is a wasteful number, since it uses less digits than its factorization.

202112222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130291 (or 130272 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202112222011 its reverse (110222211202), we get a palindrome (312334433213).

The spelling of 202112222011 in words is "two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, eleven".