421111142232 has 256 divisors, whose sum is σ = 1234987776000. Its totient is φ = 118313395200.

The previous prime is 421111142209. The next prime is 421111142261. The reversal of 421111142232 is 232241111124.

It is a super-2 number, since 2×421111142232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47963619 + ... + 47972397.

It is an arithmetic number, because the mean of its divisors is an integer number (4824171000).

Almost surely, 2^421111142232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421111142232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617493888000).

421111142232 is an abundant number, since it is smaller than the sum of its proper divisors (813876633768).

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

421111142232 is a wasteful number, since it uses less digits than its factorization.

421111142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022 (or 9018 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 421111142232 its reverse (232241111124), we get a palindrome (653352253356).

The spelling of 421111142232 in words is "four hundred twenty-one billion, one hundred eleven million, one hundred forty-two thousand, two hundred thirty-two".