102101101222111 has 2 divisors, whose sum is σ = 102101101222112. Its totient is φ = 102101101222110.

The previous prime is 102101101222091. The next prime is 102101101222147. The reversal of 102101101222111 is 111222101101201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102101101222111 - 2¹⁹ = 102101100697823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102101101225111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050550611055 + 51050550611056.

It is an arithmetic number, because the mean of its divisors is an integer number (51050550611056).

Almost surely, 2^{102101101222111} is an apocalyptic number.

102101101222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101101222111 is an equidigital number, since it uses as much as digits as its factorization.

102101101222111 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 16.

Adding to 102101101222111 its reverse (111222101101201), we get a palindrome (213323202323312).

The spelling of 102101101222111 in words is "one hundred two trillion, one hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".