20110121332241 has 16 divisors (see below), whose sum is σ = 21708763930560. Its totient is φ = 18566524926720.

The previous prime is 20110121332229. The next prime is 20110121332289. The reversal of 20110121332241 is 14223312101102.

It is a cyclic number.

It is not a de Polignac number, because 20110121332241 - 2²² = 20110117137937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110121332201) 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 15 ways as a sum of consecutive naturals, for example, 13524596 + ... + 14937701.

It is an arithmetic number, because the mean of its divisors is an integer number (1356797745660).

Almost surely, 2^{20110121332241} is an apocalyptic number.

It is an amenable number.

20110121332241 is a deficient number, since it is larger than the sum of its proper divisors (1598642598319).

20110121332241 is a wasteful number, since it uses less digits than its factorization.

20110121332241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28463264.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20110121332241 its reverse (14223312101102), we get a palindrome (34333433433343).

The spelling of 20110121332241 in words is "twenty trillion, one hundred ten billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred forty-one".