1222000011102 has 144 divisors (see below), whose sum is σ = 2817819703440. Its totient is φ = 351152686080.

The previous prime is 1222000011061. The next prime is 1222000011103. The reversal of 1222000011102 is 2011100002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000011103) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 141940174 + ... + 141948782.

It is an arithmetic number, because the mean of its divisors is an integer number (19568192385).

Almost surely, 2^{1222000011102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222000011102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408909851720).

1222000011102 is an abundant number, since it is smaller than the sum of its proper divisors (1595819692338).

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

1222000011102 is a wasteful number, since it uses less digits than its factorization.

1222000011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222000011102 its reverse (2011100002221), we get a palindrome (3233100013323).

The spelling of 1222000011102 in words is "one trillion, two hundred twenty-two billion, eleven thousand, one hundred two".