221130133122 has 32 divisors (see below), whose sum is σ = 469310837760. Its totient is φ = 69310252880.

The previous prime is 221130133057. The next prime is 221130133153. The reversal of 221130133122 is 221331031122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13571454 + ... + 13587737.

It is an arithmetic number, because the mean of its divisors is an integer number (14665963680).

Almost surely, 2^221130133122 is an apocalyptic number.

221130133122 is an abundant number, since it is smaller than the sum of its proper divisors (248180704638).

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

221130133122 is a wasteful number, since it uses less digits than its factorization.

221130133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27159278.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221130133122 its reverse (221331031122), we get a palindrome (442461164244).

The spelling of 221130133122 in words is "two hundred twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred twenty-two".