222231212103 has 4 divisors (see below), whose sum is σ = 296308282808. Its totient is φ = 148154141400.

The previous prime is 222231212101. The next prime is 222231212111. The reversal of 222231212103 is 301212132222.

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

It is not a de Polignac number, because 222231212103 - 2¹ = 222231212101 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 222231212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231212101) 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, 37038535348 + ... + 37038535353.

It is an arithmetic number, because the mean of its divisors is an integer number (74077070702).

Almost surely, 2^222231212103 is an apocalyptic number.

222231212103 is a deficient number, since it is larger than the sum of its proper divisors (74077070705).

222231212103 is an equidigital number, since it uses as much as digits as its factorization.

222231212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74077070704.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222231212103 its reverse (301212132222), we get a palindrome (523443344325).

The spelling of 222231212103 in words is "two hundred twenty-two billion, two hundred thirty-one million, two hundred twelve thousand, one hundred three".