221332213311 has 8 divisors (see below), whose sum is σ = 321937764864. Its totient is φ = 134140735320.

The previous prime is 221332213309. The next prime is 221332213331. The reversal of 221332213311 is 113312233122.

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

It is not a de Polignac number, because 221332213311 - 2¹ = 221332213309 is a prime.

It is a super-3 number, since 3×221332213311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332213331) 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, 3353518351 + ... + 3353518416.

It is an arithmetic number, because the mean of its divisors is an integer number (40242220608).

Almost surely, 2^221332213311 is an apocalyptic number.

221332213311 is a deficient number, since it is larger than the sum of its proper divisors (100605551553).

221332213311 is a wasteful number, since it uses less digits than its factorization.

221332213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707036781.

The product of its digits is 1296, while the sum is 24.

Adding to 221332213311 its reverse (113312233122), we get a palindrome (334644446433).

The spelling of 221332213311 in words is "two hundred twenty-one billion, three hundred thirty-two million, two hundred thirteen thousand, three hundred eleven".