222202121111011 has 4 divisors (see below), whose sum is σ = 222831588876552. Its totient is φ = 221572653345472.

The previous prime is 222202121110919. The next prime is 222202121111029. The reversal of 222202121111011 is 110111121202222.

It is a happy number.

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 222202121111011 - 2¹⁹ = 222202120586723 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 222202121111011.

It is not an unprimeable number, because it can be changed into a prime (222202121111041) 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, 314733882241 + ... + 314733882946.

It is an arithmetic number, because the mean of its divisors is an integer number (55707897219138).

Almost surely, 2^{222202121111011} is an apocalyptic number.

222202121111011 is a deficient number, since it is larger than the sum of its proper divisors (629467765541).

222202121111011 is an equidigital number, since it uses as much as digits as its factorization.

222202121111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629467765540.

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

Adding to 222202121111011 its reverse (110111121202222), we get a palindrome (332313242313233).

The spelling of 222202121111011 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, eleven".