122220112210 has 32 divisors (see below), whose sum is σ = 251478639360. Its totient is φ = 41894970432.

The previous prime is 122220112207. The next prime is 122220112211. The reversal of 122220112210 is 12211022221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122220112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140952 + ... + 514108.

It is an arithmetic number, because the mean of its divisors is an integer number (7858707480).

Almost surely, 2^122220112210 is an apocalyptic number.

122220112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220112210 is an abundant number, since it is smaller than the sum of its proper divisors (129258527150).

122220112210 is a wasteful number, since it uses less digits than its factorization.

122220112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377850.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122220112210 its reverse (12211022221), we get a palindrome (134431134431).

The spelling of 122220112210 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".