212221233222002 has 4 divisors (see below), whose sum is σ = 318331849833006. Its totient is φ = 106110616611000.

The previous prime is 212221233221993. The next prime is 212221233222073. The reversal of 212221233222002 is 200222332122212.

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., 198643401116281 + 13577832105721 = 14094091^2 + 3684811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53055308305499 + ... + 53055308305502.

Almost surely, 2^{212221233222002} is an apocalyptic number.

212221233222002 is a deficient number, since it is larger than the sum of its proper divisors (106110616611004).

212221233222002 is a wasteful number, since it uses less digits than its factorization.

212221233222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106110616611003.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212221233222002 its reverse (200222332122212), we get a palindrome (412443565344214).

The spelling of 212221233222002 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred thirty-three million, two hundred twenty-two thousand, two".