122201110202210 has 64 divisors (see below), whose sum is σ = 255548781405792. Its totient is φ = 41665017778176.

The previous prime is 122201110202191. The next prime is 122201110202243. The reversal of 122201110202210 is 12202011102221.

It can be written as a sum of positive squares in 16 ways, for example, as 15596125351249 + 106604984850961 = 3949193^2 + 10324969^2 .

It is a super-2 number, since 2×122201110202210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521530229 + ... + 521764488.

Almost surely, 2^{122201110202210} is an apocalyptic number.

122201110202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122201110202210 is an abundant number, since it is smaller than the sum of its proper divisors (133347671203582).

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

122201110202210 is a wasteful number, since it uses less digits than its factorization.

122201110202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043294807.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122201110202210 its reverse (12202011102221), we get a palindrome (134403121304431).

The spelling of 122201110202210 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred ten million, two hundred two thousand, two hundred ten".