2221120212202 has 4 divisors (see below), whose sum is σ = 3331680318306. Its totient is φ = 1110560106100.

The previous prime is 2221120212197. The next prime is 2221120212211. The reversal of 2221120212202 is 2022120211222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1314281109241 + 906839102961 = 1146421^2 + 952281^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221120212202.

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 as a sum of consecutive naturals, namely, 555280053049 + ... + 555280053052.

Almost surely, 2^{2221120212202} is an apocalyptic number.

2221120212202 is a deficient number, since it is larger than the sum of its proper divisors (1110560106104).

2221120212202 is a wasteful number, since it uses less digits than its factorization.

2221120212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110560106103.

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

Adding to 2221120212202 its reverse (2022120211222), we get a palindrome (4243240423424).

The spelling of 2221120212202 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twelve thousand, two hundred two".