20100111067 has 2 divisors, whose sum is σ = 20100111068. Its totient is φ = 20100111066.

The previous prime is 20100111013. The next prime is 20100111071. The reversal of 20100111067 is 76011100102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20100111067 - 2¹¹ = 20100109019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100111667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050055533 + 10050055534.

It is an arithmetic number, because the mean of its divisors is an integer number (10050055534).

Almost surely, 2^20100111067 is an apocalyptic number.

20100111067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100111067 is an equidigital number, since it uses as much as digits as its factorization.

20100111067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 20100111067 its reverse (76011100102), we get a palindrome (96111211169).

The spelling of 20100111067 in words is "twenty billion, one hundred million, one hundred eleven thousand, sixty-seven".