1011110110121 has 4 divisors (see below), whose sum is σ = 1011927500292. Its totient is φ = 1010292719952.

The previous prime is 1011110110111. The next prime is 1011110110123. The reversal of 1011110110121 is 1210110111101.

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 628183056400 + 382927053721 = 792580^2 + 618811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011110110121 is a prime.

It is a super-3 number, since 3×1011110110121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011110110123) 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, 408693230 + ... + 408695703.

It is an arithmetic number, because the mean of its divisors is an integer number (252981875073).

Almost surely, 2^{1011110110121} is an apocalyptic number.

It is an amenable number.

1011110110121 is a deficient number, since it is larger than the sum of its proper divisors (817390171).

1011110110121 is an equidigital number, since it uses as much as digits as its factorization.

1011110110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817390170.

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

Adding to 1011110110121 its reverse (1210110111101), we get a palindrome (2221220221222).

The spelling of 1011110110121 in words is "one trillion, eleven billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".