202212102122011 has 4 divisors (see below), whose sum is σ = 202212267198552. Its totient is φ = 202211937045472.

The previous prime is 202212102121987. The next prime is 202212102122029. The reversal of 202212102122011 is 110221201212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202212102122011 - 2³⁹ = 201662346308123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202212102122011.

It is not an unprimeable number, because it can be changed into a prime (202212202122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80686990 + ... + 83155363.

It is an arithmetic number, because the mean of its divisors is an integer number (50553066799638).

Almost surely, 2^{202212102122011} is an apocalyptic number.

202212102122011 is a deficient number, since it is larger than the sum of its proper divisors (165076541).

202212102122011 is a wasteful number, since it uses less digits than its factorization.

202212102122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165076540.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202212102122011 its reverse (110221201212202), we get a palindrome (312433303334213).

The spelling of 202212102122011 in words is "two hundred two trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, eleven".