124211112421 has 8 divisors (see below), whose sum is σ = 135524490624. Its totient is φ = 112901310720.

The previous prime is 124211112419. The next prime is 124211112433.

124211112421 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 124211112421 - 2¹ = 124211112419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124211112392 and 124211112401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124211112401) 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, 821245 + ... + 960658.

It is an arithmetic number, because the mean of its divisors is an integer number (16940561328).

Almost surely, 2^124211112421 is an apocalyptic number.

124211112421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124211112421 is a deficient number, since it is larger than the sum of its proper divisors (11313378203).

124211112421 is a wasteful number, since it uses less digits than its factorization.

124211112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788251.

The product of its digits is 256, while the sum is 22.

It can be divided in two parts, 124211 and 112421, that added together give a palindrome (236632).

The spelling of 124211112421 in words is "one hundred twenty-four billion, two hundred eleven million, one hundred twelve thousand, four hundred twenty-one".