222022121011 has 2 divisors, whose sum is σ = 222022121012. Its totient is φ = 222022121010.

The previous prime is 222022120967. The next prime is 222022121047. The reversal of 222022121011 is 110121220222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222022121011 is a prime.

It is not a weakly prime, because it can be changed into another prime (222022121051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011060505 + 111011060506.

It is an arithmetic number, because the mean of its divisors is an integer number (111011060506).

Almost surely, 2^222022121011 is an apocalyptic number.

222022121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022121011 is an equidigital number, since it uses as much as digits as its factorization.

222022121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222022121011 its reverse (110121220222), we get a palindrome (332143341233).

The spelling of 222022121011 in words is "two hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, eleven".