122220022210 has 64 divisors (see below), whose sum is σ = 259371020160. Its totient is φ = 40879802880.

The previous prime is 122220022159. The next prime is 122220022237. The reversal of 122220022210 is 12220022221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253686 + ... + 555694.

It is an arithmetic number, because the mean of its divisors is an integer number (4052672190).

Almost surely, 2^122220022210 is an apocalyptic number.

122220022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220022210 is an abundant number, since it is smaller than the sum of its proper divisors (137150997950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122220022210 is a wasteful number, since it uses less digits than its factorization.

122220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302323.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122220022210 its reverse (12220022221), we get a palindrome (134440044431).

The spelling of 122220022210 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, two hundred ten".