202221211020112 has 20 divisors (see below), whose sum is σ = 391893521571796. Its totient is φ = 101087399001600.

The previous prime is 202221211020089. The next prime is 202221211020121. The reversal of 202221211020112 is 211020112122202.

It can be written as a sum of positive squares in 2 ways, for example, as 144923941326096 + 57297269694016 = 12038436^2 + 7569496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202221211020112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450334889 + ... + 1450474312.

Almost surely, 2^{202221211020112} is an apocalyptic number.

It is an amenable number.

202221211020112 is a deficient number, since it is larger than the sum of its proper divisors (189672310551684).

202221211020112 is a wasteful number, since it uses less digits than its factorization.

202221211020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900813566 (or 2900813560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202221211020112 its reverse (211020112122202), we get a palindrome (413241323142314).

The spelling of 202221211020112 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred eleven million, twenty thousand, one hundred twelve".