222111020011 has 2 divisors, whose sum is σ = 222111020012. Its totient is φ = 222111020010.

The previous prime is 222111020009. The next prime is 222111020041. The reversal of 222111020011 is 110020111222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222111020011 - 2¹ = 222111020009 is a prime.

Together with 222111020009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222111019973 and 222111020000.

It is not a weakly prime, because it can be changed into another prime (222111020041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055510005 + 111055510006.

It is an arithmetic number, because the mean of its divisors is an integer number (111055510006).

Almost surely, 2^222111020011 is an apocalyptic number.

222111020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111020011 is an equidigital number, since it uses as much as digits as its factorization.

222111020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222111020011 its reverse (110020111222), we get a palindrome (332131131233).

The spelling of 222111020011 in words is "two hundred twenty-two billion, one hundred eleven million, twenty thousand, eleven".