2221200212202 has 48 divisors (see below), whose sum is σ = 4991013125280. Its totient is φ = 740375117712.

The previous prime is 2221200212167. The next prime is 2221200212261. The reversal of 2221200212202 is 2022120021222.

2221200212202 is a `hidden beast` number, since 2 + 221 + 200 + 21 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19442824 + ... + 19556732.

It is an arithmetic number, because the mean of its divisors is an integer number (103979440110).

Almost surely, 2^{2221200212202} is an apocalyptic number.

2221200212202 is an abundant number, since it is smaller than the sum of its proper divisors (2769812913078).

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

2221200212202 is a wasteful number, since it uses less digits than its factorization.

2221200212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154049 (or 154037 counting only the distinct ones).

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

Adding to 2221200212202 its reverse (2022120021222), we get a palindrome (4243320233424).

It can be divided in two parts, 222120021220 and 2, that added together give a palindrome (222120021222).

The spelling of 2221200212202 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred two".