110120020111 has 4 divisors (see below), whose sum is σ = 110121290752. Its totient is φ = 110118749472.

The previous prime is 110120020069. The next prime is 110120020159. The reversal of 110120020111 is 111020021011.

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 110120020111 - 2¹⁵ = 110119987343 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 (110120020511) 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, 494991 + ... + 682096.

It is an arithmetic number, because the mean of its divisors is an integer number (27530322688).

Almost surely, 2^110120020111 is an apocalyptic number.

110120020111 is a deficient number, since it is larger than the sum of its proper divisors (1270641).

110120020111 is an equidigital number, since it uses as much as digits as its factorization.

110120020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270640.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110120020111 its reverse (111020021011), we get a palindrome (221140041122).

The spelling of 110120020111 in words is "one hundred ten billion, one hundred twenty million, twenty thousand, one hundred eleven".