20124412321101 has 16 divisors (see below), whose sum is σ = 29383172375040. Its totient is φ = 12150238566320.

The previous prime is 20124412321099. The next prime is 20124412321157. The reversal of 20124412321101 is 10112321442102.

It is a cyclic number.

It is not a de Polignac number, because 20124412321101 - 2¹ = 20124412321099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124412321171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159365231 + ... + 1159382588.

It is an arithmetic number, because the mean of its divisors is an integer number (1836448273440).

Almost surely, 2^{20124412321101} is an apocalyptic number.

It is an amenable number.

20124412321101 is a deficient number, since it is larger than the sum of its proper divisors (9258760053939).

20124412321101 is a wasteful number, since it uses less digits than its factorization.

20124412321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318748096.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20124412321101 its reverse (10112321442102), we get a palindrome (30236733763203).

The spelling of 20124412321101 in words is "twenty trillion, one hundred twenty-four billion, four hundred twelve million, three hundred twenty-one thousand, one hundred one".