211254054211 has 8 divisors (see below), whose sum is σ = 218794902480. Its totient is φ = 203730287712.

The previous prime is 211254054197. The next prime is 211254054239. The reversal of 211254054211 is 112450452112.

211254054211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211254054211 - 2²⁷ = 211119836483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211254054211.

It is not an unprimeable number, because it can be changed into a prime (211254054611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245265 + ... + 4294738.

It is an arithmetic number, because the mean of its divisors is an integer number (27349362810).

Almost surely, 2^211254054211 is an apocalyptic number.

211254054211 is a deficient number, since it is larger than the sum of its proper divisors (7540848269).

211254054211 is an equidigital number, since it uses as much as digits as its factorization.

211254054211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540885.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 211254054211 in words is "two hundred eleven billion, two hundred fifty-four million, fifty-four thousand, two hundred eleven".