22211033111231 has 4 divisors (see below), whose sum is σ = 22211233807464. Its totient is φ = 22210832415000.

The previous prime is 22211033111089. The next prime is 22211033111251. The reversal of 22211033111231 is 13211133011222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22211033111231 - 2²² = 22211028916927 is a prime.

It is a super-2 number, since 2×22211033111231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22211033111197 and 22211033111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211033111251) 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, 100182020 + ... + 100403481.

It is an arithmetic number, because the mean of its divisors is an integer number (5552808451866).

Almost surely, 2^{22211033111231} is an apocalyptic number.

22211033111231 is a deficient number, since it is larger than the sum of its proper divisors (200696233).

22211033111231 is a wasteful number, since it uses less digits than its factorization.

22211033111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200696232.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 22211033111231 its reverse (13211133011222), we get a palindrome (35422166122453).

The spelling of 22211033111231 in words is "twenty-two trillion, two hundred eleven billion, thirty-three million, one hundred eleven thousand, two hundred thirty-one".