2221201211202 has 16 divisors (see below), whose sum is σ = 4936002691680. Its totient is φ = 740400403716.

The previous prime is 2221201211197. The next prime is 2221201211213. The reversal of 2221201211202 is 2021121021222.

It is a happy number.

2221201211202 is a `hidden beast` number, since 222 + 120 + 121 + 1 + 202 = 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20566677828 + ... + 20566677935.

It is an arithmetic number, because the mean of its divisors is an integer number (308500168230).

Almost surely, 2^{2221201211202} is an apocalyptic number.

2221201211202 is an abundant number, since it is smaller than the sum of its proper divisors (2714801480478).

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

2221201211202 is a wasteful number, since it uses less digits than its factorization.

2221201211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41133355774 (or 41133355768 counting only the distinct ones).

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

Adding to 2221201211202 its reverse (2021121021222), we get a palindrome (4242322232424).

The spelling of 2221201211202 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, two hundred two".