22002211111 has 2 divisors, whose sum is σ = 22002211112. Its totient is φ = 22002211110.

The previous prime is 22002211073. The next prime is 22002211117. The reversal of 22002211111 is 11111220022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22002211111 - 2⁷ = 22002210983 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 = 22002211091 and 22002211100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001105555 + 11001105556.

It is an arithmetic number, because the mean of its divisors is an integer number (11001105556).

Almost surely, 2^22002211111 is an apocalyptic number.

22002211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002211111 is an equidigital number, since it uses as much as digits as its factorization.

22002211111 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 22002211111 its reverse (11111220022), we get a palindrome (33113431133).

It can be divided in two parts, 220022 and 11111, that multiplied together give a palindrome (2444664442).

The spelling of 22002211111 in words is "twenty-two billion, two million, two hundred eleven thousand, one hundred eleven".