11222122012002 has 48 divisors (see below), whose sum is σ = 26526203477280. Its totient is φ = 3400490750400.

The previous prime is 11222122011977. The next prime is 11222122012007. The reversal of 11222122012002 is 20021022122211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11222122012007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3203374 + ... + 5718902.

It is an arithmetic number, because the mean of its divisors is an integer number (552629239110).

Almost surely, 2^{11222122012002} is an apocalyptic number.

11222122012002 is an abundant number, since it is smaller than the sum of its proper divisors (15304081465278).

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

11222122012002 is a wasteful number, since it uses less digits than its factorization.

11222122012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538079 (or 2538076 counting only the distinct ones).

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

Adding to 11222122012002 its reverse (20021022122211), we get a palindrome (31243144134213).

The spelling of 11222122012002 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, twelve thousand, two".