221332213112133 has 16 divisors (see below), whose sum is σ = 310664849630400. Its totient is φ = 139778350018560.

The previous prime is 221332213112071. The next prime is 221332213112137. The reversal of 221332213112133 is 331211312233122.

It is a happy number.

It is not a de Polignac number, because 221332213112133 - 2¹² = 221332213108037 is a prime.

It is a super-2 number, since 2×221332213112133² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221332213112133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332213112137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143897148 + ... + 145427141.

It is an arithmetic number, because the mean of its divisors is an integer number (19416553101900).

Almost surely, 2^{221332213112133} is an apocalyptic number.

It is an amenable number.

221332213112133 is a deficient number, since it is larger than the sum of its proper divisors (89332636518267).

221332213112133 is a wasteful number, since it uses less digits than its factorization.

221332213112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289337732.

The product of its digits is 7776, while the sum is 30.

Adding to 221332213112133 its reverse (331211312233122), we get a palindrome (552543525345255).

The spelling of 221332213112133 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, two hundred thirteen million, one hundred twelve thousand, one hundred thirty-three".