121422424001 has 4 divisors (see below), whose sum is σ = 123412955604. Its totient is φ = 119431892400.

The previous prime is 121422423887. The next prime is 121422424007. The reversal of 121422424001 is 100424224121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67226118400 + 54196305601 = 259280^2 + 232801^2 .

It is a cyclic number.

It is not a de Polignac number, because 121422424001 - 2¹⁰ = 121422422977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121422424007) 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, 995265710 + ... + 995265831.

It is an arithmetic number, because the mean of its divisors is an integer number (30853238901).

Almost surely, 2^121422424001 is an apocalyptic number.

It is an amenable number.

121422424001 is a deficient number, since it is larger than the sum of its proper divisors (1990531603).

121422424001 is an equidigital number, since it uses as much as digits as its factorization.

121422424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990531602.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 121422424001 its reverse (100424224121), we get a palindrome (221846648122).

The spelling of 121422424001 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred twenty-four thousand, one".