110111212202111 has 2 divisors, whose sum is σ = 110111212202112. Its totient is φ = 110111212202110.

The previous prime is 110111212202081. The next prime is 110111212202153. The reversal of 110111212202111 is 111202212111011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110111212202111 - 2³⁴ = 110094032332927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110111212202111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110111212202311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055606101055 + 55055606101056.

It is an arithmetic number, because the mean of its divisors is an integer number (55055606101056).

Almost surely, 2^{110111212202111} is an apocalyptic number.

110111212202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111212202111 is an equidigital number, since it uses as much as digits as its factorization.

110111212202111 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 17.

Adding to 110111212202111 its reverse (111202212111011), we get a palindrome (221313424313122).

The spelling of 110111212202111 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twelve million, two hundred two thousand, one hundred eleven".