110021212111111 has 16 divisors (see below), whose sum is σ = 127909704112128. Its totient is φ = 92678172703200.

The previous prime is 110021212111043. The next prime is 110021212111121. The reversal of 110021212111111 is 111111212120011.

It is not a de Polignac number, because 110021212111111 - 2¹¹ = 110021212109063 is a prime.

It is a super-2 number, since 2×110021212111111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021212111121) 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, 110277655 + ... + 111270856.

It is an arithmetic number, because the mean of its divisors is an integer number (7994356507008).

Almost surely, 2^{110021212111111} is an apocalyptic number.

110021212111111 is a deficient number, since it is larger than the sum of its proper divisors (17888492001017).

110021212111111 is a wasteful number, since it uses less digits than its factorization.

110021212111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221549742.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 110021212111111 its reverse (111111212120011), we get a palindrome (221132424231122).

The spelling of 110021212111111 in words is "one hundred ten trillion, twenty-one billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".