111100212071 has 2 divisors, whose sum is σ = 111100212072. Its totient is φ = 111100212070.

The previous prime is 111100212037. The next prime is 111100212089. The reversal of 111100212071 is 170212001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100212071 - 2⁶ = 111100212007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100212271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550106035 + 55550106036.

It is an arithmetic number, because the mean of its divisors is an integer number (55550106036).

Almost surely, 2^111100212071 is an apocalyptic number.

111100212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100212071 is an equidigital number, since it uses as much as digits as its factorization.

111100212071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 111100212071 its reverse (170212001111), we get a palindrome (281312213182).

The spelling of 111100212071 in words is "one hundred eleven billion, one hundred million, two hundred twelve thousand, seventy-one".