4021421021201 has 8 divisors (see below), whose sum is σ = 4026425736000. Its totient is φ = 4016416595472.

The previous prime is 4021421021159. The next prime is 4021421021209. The reversal of 4021421021201 is 1021201241204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021421021201 - 2¹⁴ = 4021421004817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021421021209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45396050 + ... + 45484548.

It is an arithmetic number, because the mean of its divisors is an integer number (503303217000).

Almost surely, 2^{4021421021201} is an apocalyptic number.

It is an amenable number.

4021421021201 is a deficient number, since it is larger than the sum of its proper divisors (5004714799).

4021421021201 is an equidigital number, since it uses as much as digits as its factorization.

4021421021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144535.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 4021421021201 its reverse (1021201241204), we get a palindrome (5042622262405).

The spelling of 4021421021201 in words is "four trillion, twenty-one billion, four hundred twenty-one million, twenty-one thousand, two hundred one".