1201101322321 has 4 divisors (see below), whose sum is σ = 1212326568432. Its totient is φ = 1189876076212.

The previous prime is 1201101322297. The next prime is 1201101322339. The reversal of 1201101322321 is 1232231011021.

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 1201101322321 - 2⁷ = 1201101322193 is a prime.

It is a super-3 number, since 3×1201101322321³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201101322621) 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, 5612622895 + ... + 5612623108.

It is an arithmetic number, because the mean of its divisors is an integer number (303081642108).

Almost surely, 2^{1201101322321} is an apocalyptic number.

It is an amenable number.

1201101322321 is a deficient number, since it is larger than the sum of its proper divisors (11225246111).

1201101322321 is a wasteful number, since it uses less digits than its factorization.

1201101322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225246110.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1201101322321 its reverse (1232231011021), we get a palindrome (2433332333342).

The spelling of 1201101322321 in words is "one trillion, two hundred one billion, one hundred one million, three hundred twenty-two thousand, three hundred twenty-one".