124222222421 has 4 divisors (see below), whose sum is σ = 135515151744. Its totient is φ = 112929293100.

The previous prime is 124222222417. The next prime is 124222222427.

124222222421 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124222222421 - 2² = 124222222417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124222222427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646464645 + ... + 5646464666.

It is an arithmetic number, because the mean of its divisors is an integer number (33878787936).

Almost surely, 2^124222222421 is an apocalyptic number.

124222222421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124222222421 is a deficient number, since it is larger than the sum of its proper divisors (11292929323).

124222222421 is a wasteful number, since it uses less digits than its factorization.

124222222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11292929322.

The product of its digits is 4096, while the sum is 26.

It can be divided in two parts, 124222 and 222421, that added together give a palindrome (346643).

The spelling of 124222222421 in words is "one hundred twenty-four billion, two hundred twenty-two million, two hundred twenty-two thousand, four hundred twenty-one".