421101002 has 24 divisors (see below), whose sum is σ = 735635844. Its totient is φ = 180261312.

The previous prime is 421100989. The next prime is 421101007. The reversal of 421101002 is 200101124.

It can be written as a sum of positive squares in 2 ways, for example, as 419799121 + 1301881 = 20489^2 + 1141^2 .

It is not an unprimeable number, because it can be changed into a prime (421101007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105548 + ... + 109464.

Almost surely, 2^421101002 is an apocalyptic number.

421101002 is a deficient number, since it is larger than the sum of its proper divisors (314534842).

421101002 is a wasteful number, since it uses less digits than its factorization.

421101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 421101002 is about 20520.7456492204. The cubic root of 421101002 is about 749.5410537336.

Adding to 421101002 its reverse (200101124), we get a palindrome (621202126).

The spelling of 421101002 in words is "four hundred twenty-one million, one hundred one thousand, two".