211333212030113 has 4 divisors (see below), whose sum is σ = 211334075222340. Its totient is φ = 211332348837888.

The previous prime is 211333212030047. The next prime is 211333212030229. The reversal of 211333212030113 is 311030212333112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 175844122348129 + 35489089681984 = 13260623^2 + 5957272^2 .

It is a cyclic number.

It is not a de Polignac number, because 211333212030113 - 2¹⁰ = 211333212029089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211333212080113) 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, 431228768 + ... + 431718561.

It is an arithmetic number, because the mean of its divisors is an integer number (52833518805585).

Almost surely, 2^{211333212030113} is an apocalyptic number.

It is an amenable number.

211333212030113 is a deficient number, since it is larger than the sum of its proper divisors (863192227).

211333212030113 is an equidigital number, since it uses as much as digits as its factorization.

211333212030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863192226.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 211333212030113 its reverse (311030212333112), we get a palindrome (522363424363225).

The spelling of 211333212030113 in words is "two hundred eleven trillion, three hundred thirty-three billion, two hundred twelve million, thirty thousand, one hundred thirteen".