211100442133 has 4 divisors (see below), whose sum is σ = 241257648160. Its totient is φ = 180943236108.

The previous prime is 211100442083. The next prime is 211100442151. The reversal of 211100442133 is 331244001112.

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 not a de Polignac number, because 211100442133 - 2¹³ = 211100433941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100442233) 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, 15078603003 + ... + 15078603016.

It is an arithmetic number, because the mean of its divisors is an integer number (60314412040).

Almost surely, 2^211100442133 is an apocalyptic number.

It is an amenable number.

211100442133 is a deficient number, since it is larger than the sum of its proper divisors (30157206027).

211100442133 is an equidigital number, since it uses as much as digits as its factorization.

211100442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30157206026.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211100442133 its reverse (331244001112), we get a palindrome (542344443245).

The spelling of 211100442133 in words is "two hundred eleven billion, one hundred million, four hundred forty-two thousand, one hundred thirty-three".