22131031203211 has 8 divisors (see below), whose sum is σ = 25293421102304. Its totient is φ = 18968844807360.

The previous prime is 22131031203167. The next prime is 22131031203227. The reversal of 22131031203211 is 11230213013122.

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

It is not a de Polignac number, because 22131031203211 - 2³⁵ = 22096671464843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131031203311) 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, 50642700 + ... + 51077833.

It is an arithmetic number, because the mean of its divisors is an integer number (3161677637788).

Almost surely, 2^{22131031203211} is an apocalyptic number.

22131031203211 is a deficient number, since it is larger than the sum of its proper divisors (3162389899093).

22131031203211 is a wasteful number, since it uses less digits than its factorization.

22131031203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101751621.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22131031203211 its reverse (11230213013122), we get a palindrome (33361244216333).

The spelling of 22131031203211 in words is "twenty-two trillion, one hundred thirty-one billion, thirty-one million, two hundred three thousand, two hundred eleven".