211233233021113 has 4 divisors (see below), whose sum is σ = 211790576644240. Its totient is φ = 210675889397988.

The previous prime is 211233233021089. The next prime is 211233233021123. The reversal of 211233233021113 is 311120332332112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211233233021113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211233233021123) 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, 278671810995 + ... + 278671811752.

It is an arithmetic number, because the mean of its divisors is an integer number (52947644161060).

Almost surely, 2^{211233233021113} is an apocalyptic number.

It is an amenable number.

211233233021113 is a deficient number, since it is larger than the sum of its proper divisors (557343623127).

211233233021113 is an equidigital number, since it uses as much as digits as its factorization.

211233233021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557343623126.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 211233233021113 its reverse (311120332332112), we get a palindrome (522353565353225).

The spelling of 211233233021113 in words is "two hundred eleven trillion, two hundred thirty-three billion, two hundred thirty-three million, twenty-one thousand, one hundred thirteen".