22121001133441 has 8 divisors (see below), whose sum is σ = 25400960003264. Its totient is φ = 18870996226320.

The previous prime is 22121001133411. The next prime is 22121001133477. The reversal of 22121001133441 is 14433110012122.

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

It is not a de Polignac number, because 22121001133441 - 2¹¹ = 22121001131393 is a prime.

It is a super-2 number, since 2×22121001133441² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121001133411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7488489090 + ... + 7488492043.

It is an arithmetic number, because the mean of its divisors is an integer number (3175120000408).

Almost surely, 2^{22121001133441} is an apocalyptic number.

It is an amenable number.

22121001133441 is a deficient number, since it is larger than the sum of its proper divisors (3279958869823).

22121001133441 is a wasteful number, since it uses less digits than its factorization.

22121001133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976981351.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22121001133441 its reverse (14433110012122), we get a palindrome (36554111145563).

The spelling of 22121001133441 in words is "twenty-two trillion, one hundred twenty-one billion, one million, one hundred thirty-three thousand, four hundred forty-one".