22112200221103 has 4 divisors (see below), whose sum is σ = 23276000232760. Its totient is φ = 20948400209448.

The previous prime is 22112200221079. The next prime is 22112200221121. The reversal of 22112200221103 is 30112200221122.

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-22112200221103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1163800011637 = 22112200221103 / (2 + 2 + 1 + 1 + 2 + 2 + 0 + 0 + 2 + 2 + 1 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112200221193) 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, 581900005800 + ... + 581900005837.

It is an arithmetic number, because the mean of its divisors is an integer number (5819000058190).

Almost surely, 2^{22112200221103} is an apocalyptic number.

22112200221103 is a deficient number, since it is larger than the sum of its proper divisors (1163800011657).

22112200221103 is a wasteful number, since it uses less digits than its factorization.

22112200221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163800011656.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22112200221103 its sum of digits (19), we get a palindrome (22112200221122).

Adding to 22112200221103 its reverse (30112200221122), we get a palindrome (52224400442225).

The spelling of 22112200221103 in words is "twenty-two trillion, one hundred twelve billion, two hundred million, two hundred twenty-one thousand, one hundred three".