221332011122 has 32 divisors (see below), whose sum is σ = 360588734208. Its totient is φ = 101490908416.

The previous prime is 221332011101. The next prime is 221332011127. The reversal of 221332011122 is 221110233122.

It is a junction number, because it is equal to n+sod(n) for n = 221332011094 and 221332011103.

It is not an unprimeable number, because it can be changed into a prime (221332011127) 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, 57668 + ... + 667824.

It is an arithmetic number, because the mean of its divisors is an integer number (11268397944).

Almost surely, 2^221332011122 is an apocalyptic number.

221332011122 is a deficient number, since it is larger than the sum of its proper divisors (139256723086).

221332011122 is a wasteful number, since it uses less digits than its factorization.

221332011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610450.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221332011122 its reverse (221110233122), we get a palindrome (442442244244).

The spelling of 221332011122 in words is "two hundred twenty-one billion, three hundred thirty-two million, eleven thousand, one hundred twenty-two".