221022012202 has 16 divisors (see below), whose sum is σ = 331950837960. Its totient is φ = 110371802112.

The previous prime is 221022012179. The next prime is 221022012257. The reversal of 221022012202 is 202210220122.

221022012202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 209003494561 + 12018517641 = 457169^2 + 109629^2 .

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, 7324698 + ... + 7354810.

Almost surely, 2^221022012202 is an apocalyptic number.

221022012202 is a deficient number, since it is larger than the sum of its proper divisors (110928825758).

221022012202 is a wasteful number, since it uses less digits than its factorization.

221022012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34617.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221022012202 its reverse (202210220122), we get a palindrome (423232232324).

The spelling of 221022012202 in words is "two hundred twenty-one billion, twenty-two million, twelve thousand, two hundred two".