2212111200243 has 8 divisors (see below), whose sum is σ = 3370836114688. Its totient is φ = 1264063542984.

The previous prime is 2212111200227. The next prime is 2212111200253. The reversal of 2212111200243 is 3420021112122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2212111200243 - 2⁴ = 2212111200227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 105338628583 = 2212111200243 / (2 + 2 + 1 + 2 + 1 + 1 + 1 + 2 + 0 + 0 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (2212111200253) 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, 52669314271 + ... + 52669314312.

It is an arithmetic number, because the mean of its divisors is an integer number (421354514336).

Almost surely, 2^{2212111200243} is an apocalyptic number.

2212111200243 is a deficient number, since it is larger than the sum of its proper divisors (1158724914445).

2212111200243 is a wasteful number, since it uses less digits than its factorization.

2212111200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105338628593.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2212111200243 its reverse (3420021112122), we get a palindrome (5632132312365).

The spelling of 2212111200243 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, two hundred forty-three".