1222202122110 has 96 divisors (see below), whose sum is σ = 3222967071168. Its totient is φ = 321308121600.

The previous prime is 1222202122093. The next prime is 1222202122121. The reversal of 1222202122110 is 112212022221.

It is a happy number.

1222202122110 is a `hidden beast` number, since 1 + 22 + 220 + 212 + 211 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1829439 + ... + 2406501.

It is an arithmetic number, because the mean of its divisors is an integer number (33572573658).

Almost surely, 2^{1222202122110} is an apocalyptic number.

1222202122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222202122110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611483535584).

1222202122110 is an abundant number, since it is smaller than the sum of its proper divisors (2000764949058).

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

1222202122110 is a wasteful number, since it uses less digits than its factorization.

1222202122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577410 (or 577407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222202122110 its reverse (112212022221), we get a palindrome (1334414144331).

The spelling of 1222202122110 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, one hundred ten".