2221301331311 has 8 divisors (see below), whose sum is σ = 2235503542800. Its totient is φ = 2207099801088.

The previous prime is 2221301331307. The next prime is 2221301331331. The reversal of 2221301331311 is 1131331031222.

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 2221301331311 - 2² = 2221301331307 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 (2221301331331) 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, 7460480 + ... + 7752506.

It is an arithmetic number, because the mean of its divisors is an integer number (279437942850).

Almost surely, 2^{2221301331311} is an apocalyptic number.

2221301331311 is a deficient number, since it is larger than the sum of its proper divisors (14202211489).

2221301331311 is a wasteful number, since it uses less digits than its factorization.

2221301331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340633.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2221301331311 its reverse (1131331031222), we get a palindrome (3352632362533).

The spelling of 2221301331311 in words is "two trillion, two hundred twenty-one billion, three hundred one million, three hundred thirty-one thousand, three hundred eleven".