421033021030 has 16 divisors (see below), whose sum is σ = 757897786800. Its totient is φ = 168404686432.

The previous prime is 421033021027. The next prime is 421033021081. The reversal of 421033021030 is 30120330124.

It is a junction number, because it is equal to n+sod(n) for n = 421033020989 and 421033021007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855784 + ... + 1254763.

It is an arithmetic number, because the mean of its divisors is an integer number (47368611675).

Almost surely, 2^421033021030 is an apocalyptic number.

421033021030 is a deficient number, since it is larger than the sum of its proper divisors (336864765770).

421033021030 is a wasteful number, since it uses less digits than its factorization.

421033021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130503.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 421033021030 its reverse (30120330124), we get a palindrome (451153351154).

The spelling of 421033021030 in words is "four hundred twenty-one billion, thirty-three million, twenty-one thousand, thirty".