1013320221001 has 24 divisors (see below), whose sum is σ = 1140810883520. Its totient is φ = 899124922080.

The previous prime is 1013320220993. The next prime is 1013320221007. The reversal of 1013320221001 is 1001220233101.

It is not a de Polignac number, because 1013320221001 - 2³ = 1013320220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013320221007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310300 + ... + 1457026.

Almost surely, 2^{1013320221001} is an apocalyptic number.

1013320221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1013320221001 is a deficient number, since it is larger than the sum of its proper divisors (127490662519).

1013320221001 is a wasteful number, since it uses less digits than its factorization.

1013320221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146925 (or 1146914 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1013320221001 its reverse (1001220233101), we get a palindrome (2014540454102).

It can be divided in two parts, 1013320 and 221001, that added together give a palindrome (1234321).

The spelling of 1013320221001 in words is "one trillion, thirteen billion, three hundred twenty million, two hundred twenty-one thousand, one".