4102431122421 has 16 divisors (see below), whose sum is σ = 6077967745920. Its totient is φ = 2734822677600.

The previous prime is 4102431122399. The next prime is 4102431122431. The reversal of 4102431122421 is 1242211342014.

4102431122421 is a `hidden beast` number, since 4 + 1 + 0 + 2 + 431 + 1 + 224 + 2 + 1 = 666.

4102431122421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-4102431122421 is a prime.

It is a super-2 number, since 2×4102431122421² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102431122431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3076105 + ... + 4203246.

It is an arithmetic number, because the mean of its divisors is an integer number (379872984120).

Almost surely, 2^{4102431122421} is an apocalyptic number.

It is an amenable number.

4102431122421 is a deficient number, since it is larger than the sum of its proper divisors (1975536623499).

4102431122421 is a wasteful number, since it uses less digits than its factorization.

4102431122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300233 (or 7300227 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 4102431122421 its reverse (1242211342014), we get a palindrome (5344642464435).

The spelling of 4102431122421 in words is "four trillion, one hundred two billion, four hundred thirty-one million, one hundred twenty-two thousand, four hundred twenty-one".