211022212443 has 16 divisors (see below), whose sum is σ = 330248405760. Its totient is φ = 117325090656.

The previous prime is 211022212421. The next prime is 211022212451. The reversal of 211022212443 is 344212220112.

It is not a de Polignac number, because 211022212443 - 2¹² = 211022208347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211022214443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135792153 + ... + 135793706.

It is an arithmetic number, because the mean of its divisors is an integer number (20640525360).

Almost surely, 2^211022212443 is an apocalyptic number.

211022212443 is a deficient number, since it is larger than the sum of its proper divisors (119226193317).

211022212443 is a wasteful number, since it uses less digits than its factorization.

211022212443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271585906.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211022212443 its reverse (344212220112), we get a palindrome (555234432555).

The spelling of 211022212443 in words is "two hundred eleven billion, twenty-two million, two hundred twelve thousand, four hundred forty-three".