212222344243103 has 4 divisors (see below), whose sum is σ = 216737713269600. Its totient is φ = 207706975216608.

The previous prime is 212222344243081. The next prime is 212222344243127. The reversal of 212222344243103 is 301342443222212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212222344243103 - 2¹⁶ = 212222344177567 is a prime.

It is a super-2 number, since 2×212222344243103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222344243153) 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, 2257684513178 + ... + 2257684513271.

It is an arithmetic number, because the mean of its divisors is an integer number (54184428317400).

Almost surely, 2^{212222344243103} is an apocalyptic number.

212222344243103 is a deficient number, since it is larger than the sum of its proper divisors (4515369026497).

212222344243103 is an equidigital number, since it uses as much as digits as its factorization.

212222344243103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515369026496.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 212222344243103 its reverse (301342443222212), we get a palindrome (513564787465315).

The spelling of 212222344243103 in words is "two hundred twelve trillion, two hundred twenty-two billion, three hundred forty-four million, two hundred forty-three thousand, one hundred three".