4202201550401 has 2 divisors, whose sum is σ = 4202201550402. Its totient is φ = 4202201550400.

The previous prime is 4202201550397. The next prime is 4202201550457. The reversal of 4202201550401 is 1040551022024.

4202201550401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4058351266225 + 143850284176 = 2014535^2 + 379276^2 .

It is a cyclic number.

It is not a de Polignac number, because 4202201550401 - 2² = 4202201550397 is a prime.

It is not a weakly prime, because it can be changed into another prime (4202201550601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101100775200 + 2101100775201.

It is an arithmetic number, because the mean of its divisors is an integer number (2101100775201).

Almost surely, 2^{4202201550401} is an apocalyptic number.

It is an amenable number.

4202201550401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202201550401 is an equidigital number, since it uses as much as digits as its factorization.

4202201550401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 4202201550401 its reverse (1040551022024), we get a palindrome (5242752572425).

The spelling of 4202201550401 in words is "four trillion, two hundred two billion, two hundred one million, five hundred fifty thousand, four hundred one".