110111021211111 has 8 divisors (see below), whose sum is σ = 146814768906624. Its totient is φ = 73407310494840.

The previous prime is 110111021211109. The next prime is 110111021211137. The reversal of 110111021211111 is 111112120111011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110111021211111 - 2¹ = 110111021211109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111021211101) 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 7 ways as a sum of consecutive naturals, for example, 1328611 + ... + 14899236.

It is an arithmetic number, because the mean of its divisors is an integer number (18351846113328).

Almost surely, 2^{110111021211111} is an apocalyptic number.

110111021211111 is a deficient number, since it is larger than the sum of its proper divisors (36703747695513).

110111021211111 is a wasteful number, since it uses less digits than its factorization.

110111021211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18489621.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 110111021211111 its reverse (111112120111011), we get a palindrome (221223141322122).

The spelling of 110111021211111 in words is "one hundred ten trillion, one hundred eleven billion, twenty-one million, two hundred eleven thousand, one hundred eleven".