202222201111111 has 16 divisors (see below), whose sum is σ = 213192744796800. Its totient is φ = 191549632555008.

The previous prime is 202222201111109. The next prime is 202222201111153. The reversal of 202222201111111 is 111111102222202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202222201111111 - 2¹ = 202222201111109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222201121111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280748890 + ... + 281468263.

It is an arithmetic number, because the mean of its divisors is an integer number (13324546549800).

Almost surely, 2^{202222201111111} is an apocalyptic number.

202222201111111 is a deficient number, since it is larger than the sum of its proper divisors (10970543685689).

202222201111111 is a wasteful number, since it uses less digits than its factorization.

202222201111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562217418.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202222201111111 its reverse (111111102222202), we get a palindrome (313333303333313).

The spelling of 202222201111111 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred eleven".