22120530212503 has 8 divisors (see below), whose sum is σ = 24654460918320. Its totient is φ = 19723568734080.

The previous prime is 22120530212477. The next prime is 22120530212603. The reversal of 22120530212503 is 30521203502122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22120530212503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120530212603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34242306508 + ... + 34242307153.

It is an arithmetic number, because the mean of its divisors is an integer number (3081807614790).

Almost surely, 2^{22120530212503} is an apocalyptic number.

22120530212503 is a deficient number, since it is larger than the sum of its proper divisors (2533930705817).

22120530212503 is a wasteful number, since it uses less digits than its factorization.

22120530212503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68484613697.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22120530212503 its reverse (30521203502122), we get a palindrome (52641733714625).

The spelling of 22120530212503 in words is "twenty-two trillion, one hundred twenty billion, five hundred thirty million, two hundred twelve thousand, five hundred three".