110001212120111 has 16 divisors (see below), whose sum is σ = 118942983127584. Its totient is φ = 101128159985664.

The previous prime is 110001212120099. The next prime is 110001212120117. The reversal of 110001212120111 is 111021212100011.

It is a cyclic number.

It is not a de Polignac number, because 110001212120111 - 2¹⁰ = 110001212119087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001212120117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18070295 + ... + 23378151.

It is an arithmetic number, because the mean of its divisors is an integer number (7433936445474).

Almost surely, 2^{110001212120111} is an apocalyptic number.

110001212120111 is a deficient number, since it is larger than the sum of its proper divisors (8941771007473).

110001212120111 is a wasteful number, since it uses less digits than its factorization.

110001212120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314330.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110001212120111 its reverse (111021212100011), we get a palindrome (221022424220122).

The spelling of 110001212120111 in words is "one hundred ten trillion, one billion, two hundred twelve million, one hundred twenty thousand, one hundred eleven".