211231211112002 has 8 divisors (see below), whose sum is σ = 317744399719116. Its totient is φ = 105316411205632.

The previous prime is 211231211111971. The next prime is 211231211112037. The reversal of 211231211112002 is 200211112132112.

It can be written as a sum of positive squares in 2 ways, for example, as 206074092588961 + 5157118523041 = 14355281^2 + 2270929^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 149597174303 + ... + 149597175714.

Almost surely, 2^{211231211112002} is an apocalyptic number.

211231211112002 is a deficient number, since it is larger than the sum of its proper divisors (106513188607114).

211231211112002 is a wasteful number, since it uses less digits than its factorization.

211231211112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299194350372.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 211231211112002 its reverse (200211112132112), we get a palindrome (411442323244114).

The spelling of 211231211112002 in words is "two hundred eleven trillion, two hundred thirty-one billion, two hundred eleven million, one hundred twelve thousand, two".