221322121034 has 32 divisors (see below), whose sum is σ = 400331635200. Its totient is φ = 89645600880.

The previous prime is 221322120997. The next prime is 221322121051. The reversal of 221322121034 is 430121223122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881432 + ... + 1104339.

It is an arithmetic number, because the mean of its divisors is an integer number (12510363600).

Almost surely, 2^221322121034 is an apocalyptic number.

221322121034 is a deficient number, since it is larger than the sum of its proper divisors (179009514166).

221322121034 is a wasteful number, since it uses less digits than its factorization.

221322121034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986218.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221322121034 its reverse (430121223122), we get a palindrome (651443344156).

The spelling of 221322121034 in words is "two hundred twenty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, thirty-four".