421044032102 has 24 divisors (see below), whose sum is σ = 679859484408. Its totient is φ = 194890139520.

The previous prime is 421044032063. The next prime is 421044032107. The reversal of 421044032102 is 201230440124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421044032107) 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, 1537508 + ... + 1790535.

It is an arithmetic number, because the mean of its divisors is an integer number (28327478517).

Almost surely, 2^421044032102 is an apocalyptic number.

421044032102 is a deficient number, since it is larger than the sum of its proper divisors (258815452306).

421044032102 is a wasteful number, since it uses less digits than its factorization.

421044032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328184 (or 3328123 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 421044032102 its reverse (201230440124), we get a palindrome (622274472226).

The spelling of 421044032102 in words is "four hundred twenty-one billion, forty-four million, thirty-two thousand, one hundred two".