1011110303221 has 4 divisors (see below), whose sum is σ = 1014403822432. Its totient is φ = 1007816784012.

The previous prime is 1011110303219. The next prime is 1011110303263. The reversal of 1011110303221 is 1223030111101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011110303221 - 2¹ = 1011110303219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011110303195 and 1011110303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011110303521) 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, 1646759145 + ... + 1646759758.

It is an arithmetic number, because the mean of its divisors is an integer number (253600955608).

Almost surely, 2^{1011110303221} is an apocalyptic number.

It is an amenable number.

1011110303221 is a deficient number, since it is larger than the sum of its proper divisors (3293519211).

1011110303221 is an equidigital number, since it uses as much as digits as its factorization.

1011110303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293519210.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011110303221 its reverse (1223030111101), we get a palindrome (2234140414322).

The spelling of 1011110303221 in words is "one trillion, eleven billion, one hundred ten million, three hundred three thousand, two hundred twenty-one".