110221100221111 has 16 divisors (see below), whose sum is σ = 121409990178048. Its totient is φ = 99227031019200.

The previous prime is 110221100221109. The next prime is 110221100221139. The reversal of 110221100221111 is 111122001122011.

It is a cyclic number.

It is not a de Polignac number, because 110221100221111 - 2¹ = 110221100221109 is a prime.

It is a super-4 number, since 4×110221100221111⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221100221151) 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, 106834971 + ... + 107861731.

It is an arithmetic number, because the mean of its divisors is an integer number (7588124386128).

Almost surely, 2^{110221100221111} is an apocalyptic number.

110221100221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

110221100221111 is a deficient number, since it is larger than the sum of its proper divisors (11188889956937).

110221100221111 is a wasteful number, since it uses less digits than its factorization.

110221100221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121622.

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

Adding to 110221100221111 its reverse (111122001122011), we get a palindrome (221343101343122).

The spelling of 110221100221111 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".