2420335621121 has 64 divisors (see below), whose sum is σ = 2819655360000. Its totient is φ = 2056124928000.

The previous prime is 2420335621117. The next prime is 2420335621133. The reversal of 2420335621121 is 1211265330242.

It is not a de Polignac number, because 2420335621121 - 2² = 2420335621117 is a prime.

It is a super-2 number, since 2×2420335621121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2420335621111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597759305 + ... + 597763353.

It is an arithmetic number, because the mean of its divisors is an integer number (44057115000).

Almost surely, 2^{2420335621121} is an apocalyptic number.

It is an amenable number.

2420335621121 is a deficient number, since it is larger than the sum of its proper divisors (399319738879).

2420335621121 is a wasteful number, since it uses less digits than its factorization.

2420335621121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 2420335621121 in words is "two trillion, four hundred twenty billion, three hundred thirty-five million, six hundred twenty-one thousand, one hundred twenty-one".