122210122210 has 72 divisors (see below), whose sum is σ = 244236612564. Its totient is φ = 43995600000.

The previous prime is 122210122207. The next prime is 122210122253. The reversal of 122210122210 is 12221012221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 122152347009 + 57775201 = 349503^2 + 7601^2 .

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 12338260 + ... + 12348160.

Almost surely, 2^122210122210 is an apocalyptic number.

122210122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122210122210 is a deficient number, since it is larger than the sum of its proper divisors (122026490354).

122210122210 is a wasteful number, since it uses less digits than its factorization.

122210122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132 (or 10020 counting only the distinct ones).

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

Adding to 122210122210 its reverse (12221012221), we get a palindrome (134431134431).

The spelling of 122210122210 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty-two thousand, two hundred ten".