221102222030 has 16 divisors (see below), whose sum is σ = 398029906800. Its totient is φ = 88430687232.

The previous prime is 221102222009. The next prime is 221102222039. The reversal of 221102222030 is 30222201122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102222039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183859 + ... + 1357838.

It is an arithmetic number, because the mean of its divisors is an integer number (24876869175).

Almost surely, 2^221102222030 is an apocalyptic number.

221102222030 is a deficient number, since it is larger than the sum of its proper divisors (176927684770).

221102222030 is a wasteful number, since it uses less digits than its factorization.

221102222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550403.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221102222030 its reverse (30222201122), we get a palindrome (251324423152).

The spelling of 221102222030 in words is "two hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, thirty".