202221120101212 has 24 divisors (see below), whose sum is σ = 361320133413456. Its totient is φ = 99008357323008.

The previous prime is 202221120101171. The next prime is 202221120101237. The reversal of 202221120101212 is 212101021122202.

It is a self number, because there is not a number n which added to its sum of digits gives 202221120101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695094163 + ... + 2695169194.

It is an arithmetic number, because the mean of its divisors is an integer number (15055005558894).

Almost surely, 2^{202221120101212} is an apocalyptic number.

It is an amenable number.

202221120101212 is a deficient number, since it is larger than the sum of its proper divisors (159099013312244).

202221120101212 is a wasteful number, since it uses less digits than its factorization.

202221120101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390263557 (or 5390263555 counting only the distinct ones).

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

Adding to 202221120101212 its reverse (212101021122202), we get a palindrome (414322141223414).

The spelling of 202221120101212 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred one thousand, two hundred twelve".