421122221124 has 96 divisors (see below), whose sum is σ = 1148785376256. Its totient is φ = 118765342080.

The previous prime is 421122221123. The next prime is 421122221209.

421122221124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421122221124² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421122221094 and 421122221103.

It is not an unprimeable number, because it can be changed into a prime (421122221123) 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, 1762122 + ... + 1986785.

It is an arithmetic number, because the mean of its divisors is an integer number (11966514336).

Almost surely, 2^421122221124 is an apocalyptic number.

421122221124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421122221124 is an abundant number, since it is smaller than the sum of its proper divisors (727663155132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421122221124 is a wasteful number, since it uses less digits than its factorization.

421122221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748985 (or 3748983 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

It can be divided in two parts, 421122 and 221124, that added together give a palindrome (642246).

The spelling of 421122221124 in words is "four hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-four".