1201113401321 has 4 divisors (see below), whose sum is σ = 1239858994944. Its totient is φ = 1162367807700.

The previous prime is 1201113401311. The next prime is 1201113401329. The reversal of 1201113401321 is 1231043111021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201113401321 - 2¹⁴ = 1201113384937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201113401293 and 1201113401302.

It is not an unprimeable number, because it can be changed into a prime (1201113401329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19372796765 + ... + 19372796826.

It is an arithmetic number, because the mean of its divisors is an integer number (309964748736).

Almost surely, 2^{1201113401321} is an apocalyptic number.

It is an amenable number.

1201113401321 is a deficient number, since it is larger than the sum of its proper divisors (38745593623).

1201113401321 is an equidigital number, since it uses as much as digits as its factorization.

1201113401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38745593622.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1201113401321 its reverse (1231043111021), we get a palindrome (2432156512342).

The spelling of 1201113401321 in words is "one trillion, two hundred one billion, one hundred thirteen million, four hundred one thousand, three hundred twenty-one".