222202021222111 has 4 divisors (see below), whose sum is σ = 253945167110992. Its totient is φ = 190458875333232.

The previous prime is 222202021222091. The next prime is 222202021222141. The reversal of 222202021222111 is 111222120202222.

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 222202021222111 - 2³¹ = 222199873738463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202021222141) 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, 15871572944430 + ... + 15871572944443.

It is an arithmetic number, because the mean of its divisors is an integer number (63486291777748).

Almost surely, 2^{222202021222111} is an apocalyptic number.

222202021222111 is a deficient number, since it is larger than the sum of its proper divisors (31743145888881).

222202021222111 is an equidigital number, since it uses as much as digits as its factorization.

222202021222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31743145888880.

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

Adding to 222202021222111 its reverse (111222120202222), we get a palindrome (333424141424333).

The spelling of 222202021222111 in words is "two hundred twenty-two trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, one hundred eleven".