4200020101 has 2 divisors, whose sum is σ = 4200020102. Its totient is φ = 4200020100.

The previous prime is 4200019991. The next prime is 4200020113. The reversal of 4200020101 is 1010200024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240569476 + 959450625 = 56926^2 + 30975^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200020101 - 2⁹ = 4200019589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200020131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100010050 + 2100010051.

It is an arithmetic number, because the mean of its divisors is an integer number (2100010051).

Almost surely, 2^4200020101 is an apocalyptic number.

It is an amenable number.

4200020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200020101 is an equidigital number, since it uses as much as digits as its factorization.

4200020101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4200020101 is about 64807.5620664749. The cubic root of 4200020101 is about 1613.4312199513.

Adding to 4200020101 its reverse (1010200024), we get a palindrome (5210220125).

The spelling of 4200020101 in words is "four billion, two hundred million, twenty thousand, one hundred one".