110212221121111 has 4 divisors (see below), whose sum is σ = 110212242917800. Its totient is φ = 110212199324424.

The previous prime is 110212221121097. The next prime is 110212221121147. The reversal of 110212221121111 is 111121122212011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110212221121111 - 2²⁷ = 110212086903383 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 (110212221121711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060120 + ... + 14884498.

It is an arithmetic number, because the mean of its divisors is an integer number (27553060729450).

Almost surely, 2^{110212221121111} is an apocalyptic number.

110212221121111 is a deficient number, since it is larger than the sum of its proper divisors (21796689).

110212221121111 is an equidigital number, since it uses as much as digits as its factorization.

110212221121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796688.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 110212221121111 its reverse (111121122212011), we get a palindrome (221333343333122).

The spelling of 110212221121111 in words is "one hundred ten trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred eleven".