4102420120421 has 32 divisors (see below), whose sum is σ = 4971962833920. Its totient is φ = 3304393076736.

The previous prime is 4102420120373. The next prime is 4102420120441. The reversal of 4102420120421 is 1240210242014.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102420120421 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 (4102420120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214923140 + ... + 214942226.

It is an arithmetic number, because the mean of its divisors is an integer number (155373838560).

Almost surely, 2^{4102420120421} is an apocalyptic number.

It is an amenable number.

4102420120421 is a deficient number, since it is larger than the sum of its proper divisors (869542713499).

4102420120421 is a wasteful number, since it uses less digits than its factorization.

4102420120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21813.

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

Adding to 4102420120421 its reverse (1240210242014), we get a palindrome (5342630362435).

The spelling of 4102420120421 in words is "four trillion, one hundred two billion, four hundred twenty million, one hundred twenty thousand, four hundred twenty-one".