421030111043 has 16 divisors (see below), whose sum is σ = 441521832960. Its totient is φ = 401154589056.

The previous prime is 421030110971. The next prime is 421030111049. The reversal of 421030111043 is 340111030124.

It is a cyclic number.

It is not a de Polignac number, because 421030111043 - 2¹⁰ = 421030110019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421030111049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451430 + ... + 1022667.

It is an arithmetic number, because the mean of its divisors is an integer number (27595114560).

Almost surely, 2^421030111043 is an apocalyptic number.

421030111043 is a deficient number, since it is larger than the sum of its proper divisors (20491721917).

421030111043 is a wasteful number, since it uses less digits than its factorization.

421030111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474306.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 421030111043 its reverse (340111030124), we get a palindrome (761141141167).

The spelling of 421030111043 in words is "four hundred twenty-one billion, thirty million, one hundred eleven thousand, forty-three".