110221211201111 has 4 divisors (see below), whose sum is σ = 110678560625424. Its totient is φ = 109763861776800.

The previous prime is 110221211201093. The next prime is 110221211201131. The reversal of 110221211201111 is 111102112122011.

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 110221211201111 - 2¹⁸ = 110221210938967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110221211201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221211201131) 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, 228674711795 + ... + 228674712276.

It is an arithmetic number, because the mean of its divisors is an integer number (27669640156356).

Almost surely, 2^{110221211201111} is an apocalyptic number.

110221211201111 is a deficient number, since it is larger than the sum of its proper divisors (457349424313).

110221211201111 is an equidigital number, since it uses as much as digits as its factorization.

110221211201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457349424312.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110221211201111 its reverse (111102112122011), we get a palindrome (221323323323122).

The spelling of 110221211201111 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred eleven".