122201123221222 has 4 divisors (see below), whose sum is σ = 183301684831836. Its totient is φ = 61100561610610.

The previous prime is 122201123221213. The next prime is 122201123221283. The reversal of 122201123221222 is 222122321102221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122201123221222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30550280805304 + ... + 30550280805307.

It is an arithmetic number, because the mean of its divisors is an integer number (45825421207959).

Almost surely, 2^{122201123221222} is an apocalyptic number.

122201123221222 is a deficient number, since it is larger than the sum of its proper divisors (61100561610614).

122201123221222 is an equidigital number, since it uses as much as digits as its factorization.

122201123221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61100561610613.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 122201123221222 its reverse (222122321102221), we get a palindrome (344323444323443).

The spelling of 122201123221222 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".