122210021222 has 16 divisors (see below), whose sum is σ = 185451709632. Its totient is φ = 60394464000.

The previous prime is 122210021183. The next prime is 122210021233. The reversal of 122210021222 is 222120012221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122210021222.

It is a congruent number.

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, 273713 + ... + 565100.

It is an arithmetic number, because the mean of its divisors is an integer number (11590731852).

Almost surely, 2^122210021222 is an apocalyptic number.

122210021222 is a deficient number, since it is larger than the sum of its proper divisors (63241688410).

122210021222 is an equidigital number, since it uses as much as digits as its factorization.

122210021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839663.

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

Adding to 122210021222 its reverse (222120012221), we get a palindrome (344330033443).

Subtracting 122210021222 from its reverse (222120012221), we obtain a palindrome (99909990999).

The spelling of 122210021222 in words is "one hundred twenty-two billion, two hundred ten million, twenty-one thousand, two hundred twenty-two".