110021222111 has 4 divisors (see below), whose sum is σ = 113570293824. Its totient is φ = 106472150400.

The previous prime is 110021222099. The next prime is 110021222161. The reversal of 110021222111 is 111222120011.

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 110021222111 - 2¹⁸ = 110020959967 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 (110021222161) 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, 1774535810 + ... + 1774535871.

It is an arithmetic number, because the mean of its divisors is an integer number (28392573456).

Almost surely, 2^110021222111 is an apocalyptic number.

110021222111 is a deficient number, since it is larger than the sum of its proper divisors (3549071713).

110021222111 is an equidigital number, since it uses as much as digits as its factorization.

110021222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549071712.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110021222111 its reverse (111222120011), we get a palindrome (221243342122).

The spelling of 110021222111 in words is "one hundred ten billion, twenty-one million, two hundred twenty-two thousand, one hundred eleven".