4021203414121 has 4 divisors (see below), whose sum is σ = 4021337221200. Its totient is φ = 4021069607044.

The previous prime is 4021203414119. The next prime is 4021203414161. The reversal of 4021203414121 is 1214143021204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4021203414121 - 2¹ = 4021203414119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021203414101) 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 3 ways as a sum of consecutive naturals, for example, 66858451 + ... + 66918568.

It is an arithmetic number, because the mean of its divisors is an integer number (1005334305300).

Almost surely, 2^{4021203414121} is an apocalyptic number.

It is an amenable number.

4021203414121 is a deficient number, since it is larger than the sum of its proper divisors (133807079).

4021203414121 is a wasteful number, since it uses less digits than its factorization.

4021203414121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133807078.

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

Adding to 4021203414121 its reverse (1214143021204), we get a palindrome (5235346435325).

The spelling of 4021203414121 in words is "four trillion, twenty-one billion, two hundred three million, four hundred fourteen thousand, one hundred twenty-one".