220102010111 has 2 divisors, whose sum is σ = 220102010112. Its totient is φ = 220102010110.

The previous prime is 220102010083. The next prime is 220102010113. The reversal of 220102010111 is 111010201022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220102010111 is a prime.

Together with 220102010113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220102010092 and 220102010101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220102010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051005055 + 110051005056.

It is an arithmetic number, because the mean of its divisors is an integer number (110051005056).

Almost surely, 2^220102010111 is an apocalyptic number.

220102010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102010111 is an equidigital number, since it uses as much as digits as its factorization.

220102010111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220102010111 its reverse (111010201022), we get a palindrome (331112211133).

The spelling of 220102010111 in words is "two hundred twenty billion, one hundred two million, ten thousand, one hundred eleven".