211011220220213 has 8 divisors (see below), whose sum is σ = 241156023834432. Its totient is φ = 180866502501696.

The previous prime is 211011220220137. The next prime is 211011220220237. The reversal of 211011220220213 is 312022022110112.

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-211011220220213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011220220513) 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, 16120820 + ... + 26113277.

It is an arithmetic number, because the mean of its divisors is an integer number (30144502979304).

Almost surely, 2^{211011220220213} is an apocalyptic number.

It is an amenable number.

211011220220213 is a deficient number, since it is larger than the sum of its proper divisors (30144803614219).

211011220220213 is an equidigital number, since it uses as much as digits as its factorization.

211011220220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42947851.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211011220220213 its reverse (312022022110112), we get a palindrome (523033242330325).

The spelling of 211011220220213 in words is "two hundred eleven trillion, eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred thirteen".