11222221200102 has 160 divisors (see below), whose sum is σ = 30131366411520. Its totient is φ = 3081616591680.

The previous prime is 11222221200089. The next prime is 11222221200103. The reversal of 11222221200102 is 20100212222211.

It is a happy number.

11222221200102 is a `hidden beast` number, since 11 + 222 + 221 + 200 + 10 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222221200103) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6426693 + ... + 7984160.

It is an arithmetic number, because the mean of its divisors is an integer number (188321040072).

Almost surely, 2^{11222221200102} is an apocalyptic number.

11222221200102 is an abundant number, since it is smaller than the sum of its proper divisors (18909145211418).

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

11222221200102 is a wasteful number, since it uses less digits than its factorization.

11222221200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410920 (or 14410911 counting only the distinct ones).

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

Adding to 11222221200102 its reverse (20100212222211), we get a palindrome (31322433422313).

The spelling of 11222221200102 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred thousand, one hundred two".