1013221131013 has 16 divisors (see below), whose sum is σ = 1247260771456. Its totient is φ = 801528436800.

The previous prime is 1013221131001. The next prime is 1013221131067. The reversal of 1013221131013 is 3101311223101.

It is a de Polignac number, because none of the positive numbers 2^k-1013221131013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013221131613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457731 + ... + 1495312.

It is an arithmetic number, because the mean of its divisors is an integer number (77953798216).

Almost surely, 2^{1013221131013} is an apocalyptic number.

1013221131013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1013221131013 is a deficient number, since it is larger than the sum of its proper divisors (234039640443).

1013221131013 is a wasteful number, since it uses less digits than its factorization.

1013221131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958764.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1013221131013 its reverse (3101311223101), we get a palindrome (4114532354114).

The spelling of 1013221131013 in words is "one trillion, thirteen billion, two hundred twenty-one million, one hundred thirty-one thousand, thirteen".