1201222303311 has 8 divisors (see below), whose sum is σ = 1606091103360. Its totient is φ = 798584186072.

The previous prime is 1201222303289. The next prime is 1201222303349. The reversal of 1201222303311 is 1133032221021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201222303311 - 2²⁷ = 1201088085583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201222303511) 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, 557669445 + ... + 557671598.

It is an arithmetic number, because the mean of its divisors is an integer number (200761387920).

Almost surely, 2^{1201222303311} is an apocalyptic number.

1201222303311 is a deficient number, since it is larger than the sum of its proper divisors (404868800049).

1201222303311 is a wasteful number, since it uses less digits than its factorization.

1201222303311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115341405.

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

Adding to 1201222303311 its reverse (1133032221021), we get a palindrome (2334254524332).

The spelling of 1201222303311 in words is "one trillion, two hundred one billion, two hundred twenty-two million, three hundred three thousand, three hundred eleven".