1201013133321 has 16 divisors (see below), whose sum is σ = 1633686848640. Its totient is φ = 784546713600.

The previous prime is 1201013133311. The next prime is 1201013133329. The reversal of 1201013133321 is 1233313101021.

It is a happy number.

It is not a de Polignac number, because 1201013133321 - 2⁵ = 1201013133289 is a prime.

It is a super-2 number, since 2×1201013133321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201013133329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789005 + ... + 5033546.

It is an arithmetic number, because the mean of its divisors is an integer number (102105428040).

Almost surely, 2^{1201013133321} is an apocalyptic number.

It is an amenable number.

1201013133321 is a deficient number, since it is larger than the sum of its proper divisors (432673715319).

1201013133321 is an equidigital number, since it uses as much as digits as its factorization.

1201013133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823376.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1201013133321 its reverse (1233313101021), we get a palindrome (2434326234342).

The spelling of 1201013133321 in words is "one trillion, two hundred one billion, thirteen million, one hundred thirty-three thousand, three hundred twenty-one".