211100120233 has 2 divisors, whose sum is σ = 211100120234. Its totient is φ = 211100120232.

The previous prime is 211100120219. The next prime is 211100120251. The reversal of 211100120233 is 332021001112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168040965184 + 43059155049 = 409928^2 + 207507^2 .

It is a cyclic number.

It is not a de Polignac number, because 211100120233 - 2³³ = 202510185641 is a prime.

It is not a weakly prime, because it can be changed into another prime (211100120263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550060116 + 105550060117.

It is an arithmetic number, because the mean of its divisors is an integer number (105550060117).

Almost surely, 2^211100120233 is an apocalyptic number.

It is an amenable number.

211100120233 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100120233 is an equidigital number, since it uses as much as digits as its factorization.

211100120233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211100120233 its reverse (332021001112), we get a palindrome (543121121345).

The spelling of 211100120233 in words is "two hundred eleven billion, one hundred million, one hundred twenty thousand, two hundred thirty-three".