122222122100210 has 128 divisors (see below), whose sum is σ = 263487273235200. Its totient is φ = 40294334545920.

The previous prime is 122222122100153. The next prime is 122222122100213. The reversal of 122222122100210 is 12001221222221.

It is not an unprimeable number, because it can be changed into a prime (122222122100213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20879081 + ... + 26084099.

It is an arithmetic number, because the mean of its divisors is an integer number (2058494322150).

Almost surely, 2^{122222122100210} is an apocalyptic number.

122222122100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222122100210 is an abundant number, since it is smaller than the sum of its proper divisors (141265151134990).

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

122222122100210 is a wasteful number, since it uses less digits than its factorization.

122222122100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205516.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122222122100210 its reverse (12001221222221), we get a palindrome (134223343322431).

The spelling of 122222122100210 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, two hundred ten".