124422335021 has 4 divisors (see below), whose sum is σ = 124669696032. Its totient is φ = 124174974012.

The previous prime is 124422334999. The next prime is 124422335039. The reversal of 124422335021 is 120533224421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120533224421 = 691 ⋅174433031.

It is a cyclic number.

It is not a de Polignac number, because 124422335021 - 2³⁰ = 123348593197 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 (124422325021) 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, 123679751 + ... + 123680756.

It is an arithmetic number, because the mean of its divisors is an integer number (31167424008).

Almost surely, 2^124422335021 is an apocalyptic number.

It is an amenable number.

124422335021 is a deficient number, since it is larger than the sum of its proper divisors (247361011).

124422335021 is an equidigital number, since it uses as much as digits as its factorization.

124422335021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247361010.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 124422335021 its reverse (120533224421), we get a palindrome (244955559442).

The spelling of 124422335021 in words is "one hundred twenty-four billion, four hundred twenty-two million, three hundred thirty-five thousand, twenty-one".