1421121024001 has 32 divisors (see below), whose sum is σ = 1732489758720. Its totient is φ = 1137912212736.

The previous prime is 1421121023963. The next prime is 1421121024017. The reversal of 1421121024001 is 1004201211241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1421121024001 - 2¹⁷ = 1421120892929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421121024001.

It is not an unprimeable number, because it can be changed into a prime (1421121024061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84466476 + ... + 84483298.

It is an arithmetic number, because the mean of its divisors is an integer number (54140304960).

Almost surely, 2^{1421121024001} is an apocalyptic number.

It is an amenable number.

1421121024001 is a deficient number, since it is larger than the sum of its proper divisors (311368734719).

1421121024001 is a wasteful number, since it uses less digits than its factorization.

1421121024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1421121024001 its reverse (1004201211241), we get a palindrome (2425322235242).

The spelling of 1421121024001 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-one million, twenty-four thousand, one".