22031331111121 has 8 divisors (see below), whose sum is σ = 22051696725504. Its totient is φ = 22010970371280.

The previous prime is 22031331111071. The next prime is 22031331111131. The reversal of 22031331111121 is 12111113313022.

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

It is a cyclic number.

It is not a de Polignac number, because 22031331111121 - 2³³ = 22022741176529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22031331111092 and 22031331111101.

It is not an unprimeable number, because it can be changed into a prime (22031331111131) 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, 7856086 + ... + 10284976.

It is an arithmetic number, because the mean of its divisors is an integer number (2756462090688).

Almost surely, 2^{22031331111121} is an apocalyptic number.

It is an amenable number.

22031331111121 is a deficient number, since it is larger than the sum of its proper divisors (20365614383).

22031331111121 is a wasteful number, since it uses less digits than its factorization.

22031331111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437271.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 22031331111121 its reverse (12111113313022), we get a palindrome (34142444424143).

The spelling of 22031331111121 in words is "twenty-two trillion, thirty-one billion, three hundred thirty-one million, one hundred eleven thousand, one hundred twenty-one".