124421144111 has 16 divisors (see below), whose sum is σ = 143009865600. Its totient is φ = 107056533600.

The previous prime is 124421144053. The next prime is 124421144129. The reversal of 124421144111 is 111441124421.

It is not a de Polignac number, because 124421144111 - 2⁶ = 124421144047 is a prime.

It is a super-2 number, since 2×124421144111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421144131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55025 + ... + 501866.

It is an arithmetic number, because the mean of its divisors is an integer number (8938116600).

Almost surely, 2^124421144111 is an apocalyptic number.

124421144111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124421144111 is a deficient number, since it is larger than the sum of its proper divisors (18588721489).

124421144111 is a wasteful number, since it uses less digits than its factorization.

124421144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557990.

The product of its digits is 1024, while the sum is 26.

Adding to 124421144111 its reverse (111441124421), we get a palindrome (235862268532).

The spelling of 124421144111 in words is "one hundred twenty-four billion, four hundred twenty-one million, one hundred forty-four thousand, one hundred eleven".