2221021221202 has 24 divisors (see below), whose sum is σ = 3941141091120. Its totient is φ = 935732909160.

The previous prime is 2221021221197. The next prime is 2221021221203. The reversal of 2221021221202 is 2021221201222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221021221202.

It is not an unprimeable number, because it can be changed into a prime (2221021221203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192057624 + ... + 192069187.

It is an arithmetic number, because the mean of its divisors is an integer number (164214212130).

Almost surely, 2^{2221021221202} is an apocalyptic number.

2221021221202 is a deficient number, since it is larger than the sum of its proper divisors (1720119869918).

2221021221202 is a wasteful number, since it uses less digits than its factorization.

2221021221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384126886 (or 384126879 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221021221202 its reverse (2021221201222), we get a palindrome (4242242422424).

The spelling of 2221021221202 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two hundred twenty-one thousand, two hundred two".