11455022221122 has 8 divisors (see below), whose sum is σ = 22910044442256. Its totient is φ = 3818340740372.

The previous prime is 11455022221073. The next prime is 11455022221193. The reversal of 11455022221122 is 22112222055411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11455022221122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11455022221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954585185088 + ... + 954585185099.

It is an arithmetic number, because the mean of its divisors is an integer number (2863755555282).

Almost surely, 2^{11455022221122} is an apocalyptic number.

11455022221122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11455022221122 is a wasteful number, since it uses less digits than its factorization.

11455022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909170370192.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 11455022221122 its reverse (22112222055411), we get a palindrome (33567244276533).

The spelling of 11455022221122 in words is "eleven trillion, four hundred fifty-five billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".