4201121401 has 2 divisors, whose sum is σ = 4201121402. Its totient is φ = 4201121400.

The previous prime is 4201121383. The next prime is 4201121417. The reversal of 4201121401 is 1041211024.

It is a happy number.

4201121401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4201121417) can be obtained adding 4201121401 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4146716025 + 54405376 = 64395^2 + 7376^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201121401 - 2¹¹ = 4201119353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4201121501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100560700 + 2100560701.

It is an arithmetic number, because the mean of its divisors is an integer number (2100560701).

Almost surely, 2^4201121401 is an apocalyptic number.

It is an amenable number.

4201121401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201121401 is an equidigital number, since it uses as much as digits as its factorization.

4201121401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4201121401 is about 64816.0582031953. The cubic root of 4201121401 is about 1613.5722285240.

Adding to 4201121401 its reverse (1041211024), we get a palindrome (5242332425).

The spelling of 4201121401 in words is "four billion, two hundred one million, one hundred twenty-one thousand, four hundred one".