212222103103 has 4 divisors (see below), whose sum is σ = 221449151088. Its totient is φ = 202995055120.

The previous prime is 212222103089. The next prime is 212222103109. The reversal of 212222103103 is 301301222212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212222103103 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 (212222103109) 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, 4613523958 + ... + 4613524003.

It is an arithmetic number, because the mean of its divisors is an integer number (55362287772).

Almost surely, 2^212222103103 is an apocalyptic number.

212222103103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212222103103 is a deficient number, since it is larger than the sum of its proper divisors (9227047985).

212222103103 is an equidigital number, since it uses as much as digits as its factorization.

212222103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227047984.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212222103103 its reverse (301301222212), we get a palindrome (513523325315).

The spelling of 212222103103 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred three thousand, one hundred three".