421421102024043 has 32 divisors (see below), whose sum is σ = 639629319462912. Its totient is φ = 244301311188000.

The previous prime is 421421102024029. The next prime is 421421102024057. The reversal of 421421102024043 is 340420201124124.

It is an interprime number because it is at equal distance from previous prime (421421102024029) and next prime (421421102024057).

It is not a de Polignac number, because 421421102024043 - 2⁴⁴ = 403828915979627 is a prime.

It is a super-2 number, since 2×421421102024043² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421421102024043.

It is not an unprimeable number, because it can be changed into a prime (421421102023043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310000968 + ... + 311357418.

It is an arithmetic number, because the mean of its divisors is an integer number (19988416233216).

Almost surely, 2^{421421102024043} is an apocalyptic number.

421421102024043 is a deficient number, since it is larger than the sum of its proper divisors (218208217438869).

421421102024043 is a wasteful number, since it uses less digits than its factorization.

421421102024043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765815.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 421421102024043 its reverse (340420201124124), we get a palindrome (761841303148167).

The spelling of 421421102024043 in words is "four hundred twenty-one trillion, four hundred twenty-one billion, one hundred two million, twenty-four thousand, forty-three".