12221102111202 has 40 divisors (see below), whose sum is σ = 27655453329372. Its totient is φ = 4033367028000.

The previous prime is 12221102111201. The next prime is 12221102111233. The reversal of 12221102111202 is 20211120112221.

12221102111202 is a `hidden beast` number, since 1 + 222 + 110 + 211 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7544959682481 + 4676142428721 = 2746809^2 + 2162439^2 .

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 (12221102111201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 373443549 + ... + 373476272.

Almost surely, 2^{12221102111202} is an apocalyptic number.

12221102111202 is an abundant number, since it is smaller than the sum of its proper divisors (15434351218170).

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

12221102111202 is a wasteful number, since it uses less digits than its factorization.

12221102111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746919936 (or 746919927 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12221102111202 its reverse (20211120112221), we get a palindrome (32432222223423).

The spelling of 12221102111202 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, one hundred eleven thousand, two hundred two".