202222221222011 has 4 divisors (see below), whose sum is σ = 202239302256000. Its totient is φ = 202205140188024.

The previous prime is 202222221221981. The next prime is 202222221222013. The reversal of 202222221222011 is 110222122222202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202222221222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222221222013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8540499236 + ... + 8540522913.

It is an arithmetic number, because the mean of its divisors is an integer number (50559825564000).

Almost surely, 2^{202222221222011} is an apocalyptic number.

202222221222011 is a deficient number, since it is larger than the sum of its proper divisors (17081033989).

202222221222011 is a wasteful number, since it uses less digits than its factorization.

202222221222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17081033988.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 202222221222011 its reverse (110222122222202), we get a palindrome (312444343444213).

The spelling of 202222221222011 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".