11220002221012 has 12 divisors (see below), whose sum is σ = 21145388801236. Its totient is φ = 5178462563520.

The previous prime is 11220002220967. The next prime is 11220002221013. The reversal of 11220002221012 is 21012220002211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2707880878096 + 8512121342916 = 1645564^2 + 2917554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220002221013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107884636689 + ... + 107884636792.

Almost surely, 2^{11220002221012} is an apocalyptic number.

It is an amenable number.

11220002221012 is a deficient number, since it is larger than the sum of its proper divisors (9925386580224).

11220002221012 is a wasteful number, since it uses less digits than its factorization.

11220002221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215769273498 (or 215769273496 counting only the distinct ones).

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

Adding to 11220002221012 its reverse (21012220002211), we get a palindrome (32232222223223).

The spelling of 11220002221012 in words is "eleven trillion, two hundred twenty billion, two million, two hundred twenty-one thousand, twelve".