221302233122 has 16 divisors (see below), whose sum is σ = 340070137344. Its totient is φ = 107945844000.

The previous prime is 221302233101. The next prime is 221302233133. The reversal of 221302233122 is 221332203122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479347 + ... + 1622057.

It is an arithmetic number, because the mean of its divisors is an integer number (21254383584).

Almost surely, 2^221302233122 is an apocalyptic number.

221302233122 is a deficient number, since it is larger than the sum of its proper divisors (118767904222).

221302233122 is a wasteful number, since it uses less digits than its factorization.

221302233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161665.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221302233122 its reverse (221332203122), we get a palindrome (442634436244).

The spelling of 221302233122 in words is "two hundred twenty-one billion, three hundred two million, two hundred thirty-three thousand, one hundred twenty-two".