122220122210 has 16 divisors (see below), whose sum is σ = 220000449600. Its totient is φ = 48887108976.

The previous prime is 122220122203. The next prime is 122220122261. The reversal of 122220122210 is 12221022221.

It is a happy 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, 698561 + ... + 855819.

It is an arithmetic number, because the mean of its divisors is an integer number (13750028100).

Almost surely, 2^122220122210 is an apocalyptic number.

122220122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220122210 is a deficient number, since it is larger than the sum of its proper divisors (97780327390).

122220122210 is a wasteful number, since it uses less digits than its factorization.

122220122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234985.

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

Adding to 122220122210 its reverse (12221022221), we get a palindrome (134441144431).

The spelling of 122220122210 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred ten".