101122222111 has 2 divisors, whose sum is σ = 101122222112. Its totient is φ = 101122222110.

The previous prime is 101122222057. The next prime is 101122222151. The reversal of 101122222111 is 111222221101.

It is a strong prime.

It is an emirp because it is prime and its reverse (111222221101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101122222111 - 2¹⁷ = 101122091039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101122222151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561111055 + 50561111056.

It is an arithmetic number, because the mean of its divisors is an integer number (50561111056).

Almost surely, 2^101122222111 is an apocalyptic number.

101122222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101122222111 is an equidigital number, since it uses as much as digits as its factorization.

101122222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101122222111 its reverse (111222221101), we get a palindrome (212344443212).

The spelling of 101122222111 in words is "one hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".