221202230122 has 16 divisors (see below), whose sum is σ = 352470967200. Its totient is φ = 103818717360.

The previous prime is 221202230089. The next prime is 221202230239. The reversal of 221202230122 is 221032202122.

It is a super-2 number, since 2×221202230122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 221202230122.

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, 26698204 + ... + 26706487.

It is an arithmetic number, because the mean of its divisors is an integer number (22029435450).

Almost surely, 2^221202230122 is an apocalyptic number.

221202230122 is a deficient number, since it is larger than the sum of its proper divisors (131268737078).

221202230122 is a wasteful number, since it uses less digits than its factorization.

221202230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53404821.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 221202230122 its reverse (221032202122), we get a palindrome (442234432244).

The spelling of 221202230122 in words is "two hundred twenty-one billion, two hundred two million, two hundred thirty thousand, one hundred twenty-two".