421202033101 has 2 divisors, whose sum is σ = 421202033102. Its totient is φ = 421202033100.

The previous prime is 421202033053. The next prime is 421202033123. The reversal of 421202033101 is 101330202124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307143182025 + 114058851076 = 554205^2 + 337726^2 .

It is a cyclic number.

It is not a de Polignac number, because 421202033101 - 2¹³ = 421202024909 is a prime.

It is a super-2 number, since 2×421202033101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421202033141) 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 as a sum of consecutive naturals, namely, 210601016550 + 210601016551.

It is an arithmetic number, because the mean of its divisors is an integer number (210601016551).

Almost surely, 2^421202033101 is an apocalyptic number.

It is an amenable number.

421202033101 is a deficient number, since it is larger than the sum of its proper divisors (1).

421202033101 is an equidigital number, since it uses as much as digits as its factorization.

421202033101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 421202033101 its reverse (101330202124), we get a palindrome (522532235225).

The spelling of 421202033101 in words is "four hundred twenty-one billion, two hundred two million, thirty-three thousand, one hundred one".