212020121002211 has 4 divisors (see below), whose sum is σ = 212023702663872. Its totient is φ = 212016539340552.

The previous prime is 212020121002087. The next prime is 212020121002267. The reversal of 212020121002211 is 112200121020212.

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 212020121002211 - 2¹⁰ = 212020121001187 is a prime.

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 212020121002211.

It is not an unprimeable number, because it can be changed into a prime (212020111002211) 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, 1790742035 + ... + 1790860428.

It is an arithmetic number, because the mean of its divisors is an integer number (53005925665968).

Almost surely, 2^{212020121002211} is an apocalyptic number.

212020121002211 is a deficient number, since it is larger than the sum of its proper divisors (3581661661).

212020121002211 is an equidigital number, since it uses as much as digits as its factorization.

212020121002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581661660.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212020121002211 its reverse (112200121020212), we get a palindrome (324220242022423).

The spelling of 212020121002211 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-one million, two thousand, two hundred eleven".