202222112121011 has 4 divisors (see below), whose sum is σ = 204224311251024. Its totient is φ = 200219912991000.

The previous prime is 202222112120953. The next prime is 202222112121013. The reversal of 202222112121011 is 110121211222202.

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 202222112121011 - 2³⁴ = 202204932251827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222112121013) 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, 1001099564855 + ... + 1001099565056.

It is an arithmetic number, because the mean of its divisors is an integer number (51056077812756).

Almost surely, 2^{202222112121011} is an apocalyptic number.

202222112121011 is a deficient number, since it is larger than the sum of its proper divisors (2002199130013).

202222112121011 is a wasteful number, since it uses less digits than its factorization.

202222112121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002199130012.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202222112121011 its reverse (110121211222202), we get a palindrome (312343323343213).

The spelling of 202222112121011 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, eleven".