212122020101211 has 72 divisors (see below), whose sum is σ = 347958591987552. Its totient is φ = 124335226540800.

The previous prime is 212122020101203. The next prime is 212122020101213. The reversal of 212122020101211 is 112101020221212.

212122020101211 is a `hidden beast` number, since 2 + 121 + 220 + 201 + 0 + 121 + 1 = 666.

It is not a de Polignac number, because 212122020101211 - 2³ = 212122020101203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122020101213) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9033010 + ... + 22490871.

Almost surely, 2^{212122020101211} is an apocalyptic number.

212122020101211 is a deficient number, since it is larger than the sum of its proper divisors (135836571886341).

212122020101211 is a wasteful number, since it uses less digits than its factorization.

212122020101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31524113 (or 31524099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212122020101211 its reverse (112101020221212), we get a palindrome (324223040322423).

The spelling of 212122020101211 in words is "two hundred twelve trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, two hundred eleven".