1110202110121 has 8 divisors (see below), whose sum is σ = 1200823246280. Its totient is φ = 1020326827392.

The previous prime is 1110202110119. The next prime is 1110202110131. The reversal of 1110202110121 is 1210112020111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148233470121 + 961968640000 = 385011^2 + 980800^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1110202110121 - 2¹ = 1110202110119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110202110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186460260 + ... + 186466213.

It is an arithmetic number, because the mean of its divisors is an integer number (150102905785).

Almost surely, 2^{1110202110121} is an apocalyptic number.

It is an amenable number.

1110202110121 is a deficient number, since it is larger than the sum of its proper divisors (90621136159).

1110202110121 is a wasteful number, since it uses less digits than its factorization.

1110202110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372926715.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110202110121 its reverse (1210112020111), we get a palindrome (2320314130232).

The spelling of 1110202110121 in words is "one trillion, one hundred ten billion, two hundred two million, one hundred ten thousand, one hundred twenty-one".