212101022002 has 8 divisors (see below), whose sum is σ = 336866329116. Its totient is φ = 99812245632.

The previous prime is 212101021999. The next prime is 212101022009. The reversal of 212101022002 is 200220101212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200747906401 + 11353115601 = 448049^2 + 106551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212101022009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119132643 + ... + 3119132710.

Almost surely, 2^212101022002 is an apocalyptic number.

212101022002 is a deficient number, since it is larger than the sum of its proper divisors (124765307114).

212101022002 is a wasteful number, since it uses less digits than its factorization.

212101022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238265372.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212101022002 its reverse (200220101212), we get a palindrome (412321123214).

The spelling of 212101022002 in words is "two hundred twelve billion, one hundred one million, twenty-two thousand, two".