1013320221290 has 16 divisors (see below), whose sum is σ = 1964282275368. Its totient is φ = 374149004736.

The previous prime is 1013320221289. The next prime is 1013320221293. The reversal of 1013320221290 is 921220233101.

It can be written as a sum of positive squares in 4 ways, for example, as 727252489681 + 286067731609 = 852791^2 + 534853^2 .

It is a super-3 number, since 3×1013320221290³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1013320221293) 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 7 ways as a sum of consecutive naturals, for example, 3897385337 + ... + 3897385596.

Almost surely, 2^{1013320221290} is an apocalyptic number.

1013320221290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013320221290 is a deficient number, since it is larger than the sum of its proper divisors (950962054078).

1013320221290 is a wasteful number, since it uses less digits than its factorization.

1013320221290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794770953.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 1013320221290 its reverse (921220233101), we get a palindrome (1934540454391).

The spelling of 1013320221290 in words is "one trillion, thirteen billion, three hundred twenty million, two hundred twenty-one thousand, two hundred ninety".