212133103021211 has 4 divisors (see below), whose sum is σ = 212134310494800. Its totient is φ = 212131895547624.

The previous prime is 212133103021199. The next prime is 212133103021219. The reversal of 212133103021211 is 112120301331212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212133103021211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133103021219) 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, 603473231 + ... + 603824648.

It is an arithmetic number, because the mean of its divisors is an integer number (53033577623700).

Almost surely, 2^{212133103021211} is an apocalyptic number.

212133103021211 is a deficient number, since it is larger than the sum of its proper divisors (1207473589).

212133103021211 is a wasteful number, since it uses less digits than its factorization.

212133103021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207473588.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 212133103021211 its reverse (112120301331212), we get a palindrome (324253404352423).

The spelling of 212133103021211 in words is "two hundred twelve trillion, one hundred thirty-three billion, one hundred three million, twenty-one thousand, two hundred eleven".