1110111120101 has 4 divisors (see below), whose sum is σ = 1120295625900. Its totient is φ = 1099926614304.

The previous prime is 1110111120077. The next prime is 1110111120103. The reversal of 1110111120101 is 1010211110111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 533462248225 + 576648871876 = 730385^2 + 759374^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1110111120101 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 (1110111120103) 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, 5092252736 + ... + 5092252953.

It is an arithmetic number, because the mean of its divisors is an integer number (280073906475).

Almost surely, 2^{1110111120101} is an apocalyptic number.

It is an amenable number.

1110111120101 is a deficient number, since it is larger than the sum of its proper divisors (10184505799).

1110111120101 is a wasteful number, since it uses less digits than its factorization.

1110111120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184505798.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1110111120101 its reverse (1010211110111), we get a palindrome (2120322230212).

The spelling of 1110111120101 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred twenty thousand, one hundred one".