22012112203 has 4 divisors (see below), whose sum is σ = 22017787848. Its totient is φ = 22006436560.

The previous prime is 22012112191. The next prime is 22012112209. The reversal of 22012112203 is 30221121022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221121022 = 2 ⋅15110560511.

It is a cyclic number.

It is not a de Polignac number, because 22012112203 - 2¹³ = 22012104011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012112209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832001 + ... + 2839762.

It is an arithmetic number, because the mean of its divisors is an integer number (5504446962).

Almost surely, 2^22012112203 is an apocalyptic number.

22012112203 is a deficient number, since it is larger than the sum of its proper divisors (5675645).

22012112203 is an equidigital number, since it uses as much as digits as its factorization.

22012112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675644.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22012112203 its reverse (30221121022), we get a palindrome (52233233225).

It can be divided in two parts, 220121 and 12203, that added together give a square (232324 = 482²).

The spelling of 22012112203 in words is "twenty-two billion, twelve million, one hundred twelve thousand, two hundred three".