221012132322 has 16 divisors (see below), whose sum is σ = 468025692192. Its totient is φ = 69337139520.

The previous prime is 221012132281. The next prime is 221012132359. The reversal of 221012132322 is 223231210122.

221012132322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221012132322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1083392704 + ... + 1083392907.

It is an arithmetic number, because the mean of its divisors is an integer number (29251605762).

Almost surely, 2^221012132322 is an apocalyptic number.

221012132322 is an abundant number, since it is smaller than the sum of its proper divisors (247013559870).

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

221012132322 is a wasteful number, since it uses less digits than its factorization.

221012132322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166785633.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221012132322 its reverse (223231210122), we get a palindrome (444243342444).

The spelling of 221012132322 in words is "two hundred twenty-one billion, twelve million, one hundred thirty-two thousand, three hundred twenty-two".