210012212221211 has 8 divisors (see below), whose sum is σ = 214969635876864. Its totient is φ = 205058125780200.

The previous prime is 210012212221193. The next prime is 210012212221213. The reversal of 210012212221211 is 112122212210012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210012212221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012212221213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834176315 + ... + 834428036.

It is an arithmetic number, because the mean of its divisors is an integer number (26871204484608).

Almost surely, 2^{210012212221211} is an apocalyptic number.

210012212221211 is a deficient number, since it is larger than the sum of its proper divisors (4957423655653).

210012212221211 is a wasteful number, since it uses less digits than its factorization.

210012212221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668607321.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210012212221211 its reverse (112122212210012), we get a palindrome (322134424431223).

The spelling of 210012212221211 in words is "two hundred ten trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, two hundred eleven".