1013103310221 has 16 divisors (see below), whose sum is σ = 1503531590400. Its totient is φ = 674215197984.

The previous prime is 1013103310217. The next prime is 1013103310223. The reversal of 1013103310221 is 1220133013101.

1013103310221 is a `hidden beast` number, since 1 + 0 + 1 + 310 + 331 + 0 + 2 + 21 = 666.

It is not a de Polignac number, because 1013103310221 - 2² = 1013103310217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013103310194 and 1013103310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013103310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32956821 + ... + 32987546.

It is an arithmetic number, because the mean of its divisors is an integer number (93970724400).

Almost surely, 2^{1013103310221} is an apocalyptic number.

It is an amenable number.

1013103310221 is a deficient number, since it is larger than the sum of its proper divisors (490428280179).

1013103310221 is an equidigital number, since it uses as much as digits as its factorization.

1013103310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65944945 (or 65944939 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1013103310221 its reverse (1220133013101), we get a palindrome (2233236323322).

The spelling of 1013103310221 in words is "one trillion, thirteen billion, one hundred three million, three hundred ten thousand, two hundred twenty-one".