221222011202 has 32 divisors (see below), whose sum is σ = 335108016000. Its totient is φ = 109526110848.

The previous prime is 221222011201. The next prime is 221222011223. The reversal of 221222011202 is 202110222122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221222011201) 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, 84017678 + ... + 84020310.

It is an arithmetic number, because the mean of its divisors is an integer number (10472125500).

Almost surely, 2^221222011202 is an apocalyptic number.

221222011202 is a deficient number, since it is larger than the sum of its proper divisors (113886004798).

221222011202 is a wasteful number, since it uses less digits than its factorization.

221222011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221222011202 its reverse (202110222122), we get a palindrome (423332233324).

The spelling of 221222011202 in words is "two hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two hundred two".