212212011100211 has 4 divisors (see below), whose sum is σ = 224695070576712. Its totient is φ = 199728951623712.

The previous prime is 212212011100129. The next prime is 212212011100223. The reversal of 212212011100211 is 112001110212212.

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

It is a cyclic number.

It is not a de Polignac number, because 212212011100211 - 2³⁴ = 212194831231027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12483059476483 = 212212011100211 / (2 + 1 + 2 + 2 + 1 + 2 + 0 + 1 + 1 + 1 + 0 + 0 + 2 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212212011100211.

It is not an unprimeable number, because it can be changed into a prime (212212011100241) 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, 6241529738225 + ... + 6241529738258.

It is an arithmetic number, because the mean of its divisors is an integer number (56173767644178).

Almost surely, 2^{212212011100211} is an apocalyptic number.

212212011100211 is a deficient number, since it is larger than the sum of its proper divisors (12483059476501).

212212011100211 is a wasteful number, since it uses less digits than its factorization.

212212011100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483059476500.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212212011100211 its reverse (112001110212212), we get a palindrome (324213121312423).

The spelling of 212212011100211 in words is "two hundred twelve trillion, two hundred twelve billion, eleven million, one hundred thousand, two hundred eleven".