22220990111 has 2 divisors, whose sum is σ = 22220990112. Its totient is φ = 22220990110.

The previous prime is 22220990093. The next prime is 22220990117. The reversal of 22220990111 is 11109902222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220990111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220990117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110495055 + 11110495056.

It is an arithmetic number, because the mean of its divisors is an integer number (11110495056).

Almost surely, 2^22220990111 is an apocalyptic number.

22220990111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220990111 is an equidigital number, since it uses as much as digits as its factorization.

22220990111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 22220990111 in words is "twenty-two billion, two hundred twenty million, nine hundred ninety thousand, one hundred eleven".