22131020203 has 8 divisors (see below), whose sum is σ = 23298667920. Its totient is φ = 20963658240.

The previous prime is 22131020167. The next prime is 22131020209. The reversal of 22131020203 is 30202013122.

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-22131020203 is a prime.

It is a super-2 number, since 2×22131020203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22131020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97851 + ... + 232027.

It is an arithmetic number, because the mean of its divisors is an integer number (2912333490).

Almost surely, 2^22131020203 is an apocalyptic number.

22131020203 is a deficient number, since it is larger than the sum of its proper divisors (1167647717).

22131020203 is a wasteful number, since it uses less digits than its factorization.

22131020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142877.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22131020203 its reverse (30202013122), we get a palindrome (52333033325).

The spelling of 22131020203 in words is "twenty-two billion, one hundred thirty-one million, twenty thousand, two hundred three".