111202101202111 has 2 divisors, whose sum is σ = 111202101202112. Its totient is φ = 111202101202110.

The previous prime is 111202101202109. The next prime is 111202101202151.

111202101202111 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 111202101202111 - 2¹ = 111202101202109 is a prime.

It is a super-2 number, since 2×111202101202111² (a number of 29 digits) contains 22 as substring.

Together with 111202101202109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111202101202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601050601055 + 55601050601056.

It is an arithmetic number, because the mean of its divisors is an integer number (55601050601056).

Almost surely, 2^{111202101202111} is an apocalyptic number.

111202101202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202101202111 is an equidigital number, since it uses as much as digits as its factorization.

111202101202111 is an odious number, because the sum of its binary digits is odd.

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

It can be divided in two parts, 11120210 and 1202111, that added together give a palindrome (12322321).

The spelling of 111202101202111 in words is "one hundred eleven trillion, two hundred two billion, one hundred one million, two hundred two thousand, one hundred eleven".