122222111012210 has 48 divisors (see below), whose sum is σ = 241820815557888. Its totient is φ = 44443879502880.

The previous prime is 122222111012189. The next prime is 122222111012231. The reversal of 122222111012210 is 12210111222221.

It is an interprime number because it is at equal distance from previous prime (122222111012189) and next prime (122222111012231).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110536349 + ... + 111636591.

It is an arithmetic number, because the mean of its divisors is an integer number (5037933657456).

Almost surely, 2^{122222111012210} is an apocalyptic number.

122222111012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222111012210 is a deficient number, since it is larger than the sum of its proper divisors (119598704545678).

122222111012210 is a wasteful number, since it uses less digits than its factorization.

122222111012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192079 (or 1192068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122222111012210 its reverse (12210111222221), we get a palindrome (134432222234431).

The spelling of 122222111012210 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, twelve thousand, two hundred ten".