222202122212011 has 4 divisors (see below), whose sum is σ = 223066721909592. Its totient is φ = 221337522514432.

The previous prime is 222202122211997. The next prime is 222202122212027. The reversal of 222202122212011 is 110212221202222.

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-222202122212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202122213011) 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, 432299848405 + ... + 432299848918.

It is an arithmetic number, because the mean of its divisors is an integer number (55766680477398).

Almost surely, 2^{222202122212011} is an apocalyptic number.

222202122212011 is a deficient number, since it is larger than the sum of its proper divisors (864599697581).

222202122212011 is an equidigital number, since it uses as much as digits as its factorization.

222202122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864599697580.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222202122212011 its reverse (110212221202222), we get a palindrome (332414343414233).

The spelling of 222202122212011 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, eleven".