43141121100 has 288 divisors, whose sum is σ = 172913932800. Its totient is φ = 8964345600.

The previous prime is 43141121059. The next prime is 43141121123. The reversal of 43141121100 is 112114134.

43141121100 is a `hidden beast` number, since 43 + 1 + 411 + 211 + 0 + 0 = 666.

It is a super-2 number, since 2×43141121100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 104146 + ... + 311654.

It is an arithmetic number, because the mean of its divisors is an integer number (600395600).

Almost surely, 2^43141121100 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 43141121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86456966400).

43141121100 is an abundant number, since it is smaller than the sum of its proper divisors (129772811700).

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

43141121100 is a wasteful number, since it uses less digits than its factorization.

43141121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207550 (or 207537 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 43141121100 its reverse (112114134), we get a palindrome (43253235234).

The spelling of 43141121100 in words is "forty-three billion, one hundred forty-one million, one hundred twenty-one thousand, one hundred".