22012102111 has 2 divisors, whose sum is σ = 22012102112. Its totient is φ = 22012102110.

The previous prime is 22012102051. The next prime is 22012102157. The reversal of 22012102111 is 11120121022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22012102111 - 2⁷ = 22012101983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012102091 and 22012102100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012100111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006051055 + 11006051056.

It is an arithmetic number, because the mean of its divisors is an integer number (11006051056).

Almost surely, 2^22012102111 is an apocalyptic number.

22012102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012102111 is an equidigital number, since it uses as much as digits as its factorization.

22012102111 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 22012102111 its reverse (11120121022), we get a palindrome (33132223133).

The spelling of 22012102111 in words is "twenty-two billion, twelve million, one hundred two thousand, one hundred eleven".