222100222022111 has 2 divisors, whose sum is σ = 222100222022112. Its totient is φ = 222100222022110.

The previous prime is 222100222022087. The next prime is 222100222022117. The reversal of 222100222022111 is 111220222001222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222100222022111 - 2³⁴ = 222083042152927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100222022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050111011055 + 111050111011056.

It is an arithmetic number, because the mean of its divisors is an integer number (111050111011056).

Almost surely, 2^{222100222022111} is an apocalyptic number.

222100222022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100222022111 is an equidigital number, since it uses as much as digits as its factorization.

222100222022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222100222022111 its reverse (111220222001222), we get a palindrome (333320444023333).

The spelling of 222100222022111 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".