11002222111 has 2 divisors, whose sum is σ = 11002222112. Its totient is φ = 11002222110.

The previous prime is 11002222067. The next prime is 11002222139. The reversal of 11002222111 is 11122220011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11002222111 - 2¹⁷ = 11002091039 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11002222091 and 11002222100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002252111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501111055 + 5501111056.

It is an arithmetic number, because the mean of its divisors is an integer number (5501111056).

Almost surely, 2^11002222111 is an apocalyptic number.

11002222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002222111 is an equidigital number, since it uses as much as digits as its factorization.

11002222111 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 11002222111 its reverse (11122220011), we get a palindrome (22124442122).

The spelling of 11002222111 in words is "eleven billion, two million, two hundred twenty-two thousand, one hundred eleven".