110211221999 has 16 divisors (see below), whose sum is σ = 113479941120. Its totient is φ = 106984190880.

The previous prime is 110211221933. The next prime is 110211222073. The reversal of 110211221999 is 999122112011.

It is a cyclic number.

It is not a de Polignac number, because 110211221999 - 2¹⁶ = 110211156463 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 (110211221299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207062 + ... + 3241244.

It is an arithmetic number, because the mean of its divisors is an integer number (7092496320).

Almost surely, 2^110211221999 is an apocalyptic number.

110211221999 is a deficient number, since it is larger than the sum of its proper divisors (3268719121).

110211221999 is a wasteful number, since it uses less digits than its factorization.

110211221999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34790.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 110211221999 in words is "one hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, nine hundred ninety-nine".