1201013323221 has 8 divisors (see below), whose sum is σ = 1601396913760. Its totient is φ = 800652640752.

The previous prime is 1201013323201. The next prime is 1201013323247. The reversal of 1201013323221 is 1223233101021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201013323221 - 2¹¹ = 1201013321173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201013323201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604310 + ... + 5814663.

It is an arithmetic number, because the mean of its divisors is an integer number (200174614220).

Almost surely, 2^{1201013323221} is an apocalyptic number.

It is an amenable number.

1201013323221 is a deficient number, since it is larger than the sum of its proper divisors (400383590539).

1201013323221 is a wasteful number, since it uses less digits than its factorization.

1201013323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454035.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201013323221 its reverse (1223233101021), we get a palindrome (2424246424242).

The spelling of 1201013323221 in words is "one trillion, two hundred one billion, thirteen million, three hundred twenty-three thousand, two hundred twenty-one".