22131233111211 has 8 divisors (see below), whose sum is σ = 33723783788544. Its totient is φ = 12646418920680.

The previous prime is 22131233111173. The next prime is 22131233111257. The reversal of 22131233111211 is 11211133213122.

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

It is not a de Polignac number, because 22131233111211 - 2⁶ = 22131233111147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131233111311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526934121675 + ... + 526934121716.

It is an arithmetic number, because the mean of its divisors is an integer number (4215472973568).

Almost surely, 2^{22131233111211} is an apocalyptic number.

22131233111211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22131233111211 is a deficient number, since it is larger than the sum of its proper divisors (11592550677333).

22131233111211 is a wasteful number, since it uses less digits than its factorization.

22131233111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053868243401.

The product of its digits is 432, while the sum is 24.

Adding to 22131233111211 its reverse (11211133213122), we get a palindrome (33342366324333).

The spelling of 22131233111211 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred thirty-three million, one hundred eleven thousand, two hundred eleven".