221330133310 has 32 divisors (see below), whose sum is σ = 468043585632. Its totient is φ = 74292631680.

The previous prime is 221330133307. The next prime is 221330133313. The reversal of 221330133310 is 13331033122.

221330133310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221330133307) and next prime (221330133313).

It is a super-2 number, since 2×221330133310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330133313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77386729 + ... + 77389588.

It is an arithmetic number, because the mean of its divisors is an integer number (14626362051).

Almost surely, 2^221330133310 is an apocalyptic number.

221330133310 is an abundant number, since it is smaller than the sum of its proper divisors (246713452322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221330133310 is a wasteful number, since it uses less digits than its factorization.

221330133310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154776348.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 221330133310 its reverse (13331033122), we get a palindrome (234661166432).

The spelling of 221330133310 in words is "two hundred twenty-one billion, three hundred thirty million, one hundred thirty-three thousand, three hundred ten".