211020233120213 has 8 divisors (see below), whose sum is σ = 230204250115200. Its totient is φ = 191836276031680.

The previous prime is 211020233120171. The next prime is 211020233120233. The reversal of 211020233120213 is 312021332020112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211020233120213 - 2⁸ = 211020233119957 is a prime.

It is a super-2 number, since 2×211020233120213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020233120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7446788 + ... + 21851661.

It is an arithmetic number, because the mean of its divisors is an integer number (28775531264400).

Almost surely, 2^{211020233120213} is an apocalyptic number.

It is an amenable number.

211020233120213 is a deficient number, since it is larger than the sum of its proper divisors (19184016994987).

211020233120213 is a wasteful number, since it uses less digits than its factorization.

211020233120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953227.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 211020233120213 its reverse (312021332020112), we get a palindrome (523041565140325).

The spelling of 211020233120213 in words is "two hundred eleven trillion, twenty billion, two hundred thirty-three million, one hundred twenty thousand, two hundred thirteen".