22121130331005 has 8 divisors (see below), whose sum is σ = 35393808529632. Its totient is φ = 11797936176528.

The previous prime is 22121130330979. The next prime is 22121130331007. The reversal of 22121130331005 is 50013303112122.

It is a happy number.

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

It is not a de Polignac number, because 22121130331005 - 2²⁵ = 22121096776573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121130331007) 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, 737371011019 + ... + 737371011048.

It is an arithmetic number, because the mean of its divisors is an integer number (4424226066204).

Almost surely, 2^{22121130331005} is an apocalyptic number.

It is an amenable number.

22121130331005 is a deficient number, since it is larger than the sum of its proper divisors (13272678198627).

22121130331005 is a wasteful number, since it uses less digits than its factorization.

22121130331005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474742022075.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 22121130331005 its reverse (50013303112122), we get a palindrome (72134433443127).

The spelling of 22121130331005 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-one thousand, five".