2221220012202 has 24 divisors (see below), whose sum is σ = 4870627017984. Its totient is φ = 731486107944.

The previous prime is 2221220012183. The next prime is 2221220012213. The reversal of 2221220012202 is 2022100221222.

2221220012202 is a `hidden beast` number, since 2 + 221 + 220 + 0 + 1 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743378698 + ... + 743381685.

It is an arithmetic number, because the mean of its divisors is an integer number (202942792416).

Almost surely, 2^{2221220012202} is an apocalyptic number.

2221220012202 is an abundant number, since it is smaller than the sum of its proper divisors (2649407005782).

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

2221220012202 is a wasteful number, since it uses less digits than its factorization.

2221220012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486760474 (or 1486760471 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2221220012202 its reverse (2022100221222), we get a palindrome (4243320233424).

The spelling of 2221220012202 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, twelve thousand, two hundred two".