4100214243121 has 4 divisors (see below), whose sum is σ = 4101936301044. Its totient is φ = 4098492185200.

The previous prime is 4100214243007. The next prime is 4100214243133. The reversal of 4100214243121 is 1213424120014.

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 1946892786721 + 2153321456400 = 1395311^2 + 1467420^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100214243121 - 2¹⁵ = 4100214210353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4100214243161) 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, 861025390 + ... + 861030151.

It is an arithmetic number, because the mean of its divisors is an integer number (1025484075261).

Almost surely, 2^{4100214243121} is an apocalyptic number.

It is an amenable number.

4100214243121 is a deficient number, since it is larger than the sum of its proper divisors (1722057923).

4100214243121 is a wasteful number, since it uses less digits than its factorization.

4100214243121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722057922.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 4100214243121 its reverse (1213424120014), we get a palindrome (5313638363135).

The spelling of 4100214243121 in words is "four trillion, one hundred billion, two hundred fourteen million, two hundred forty-three thousand, one hundred twenty-one".