100143111434250 has 128 divisors (see below), whose sum is σ = 251567858880000. Its totient is φ = 26533130342400.

The previous prime is 100143111434213. The next prime is 100143111434321. The reversal of 100143111434250 is 52434111341001.

It is a happy number.

It is a super-2 number, since 2×100143111434250² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105345066 + ... + 106291434.

It is an arithmetic number, because the mean of its divisors is an integer number (1965373897500).

Almost surely, 2^{100143111434250} is an apocalyptic number.

100143111434250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100143111434250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125783929440000).

100143111434250 is an abundant number, since it is smaller than the sum of its proper divisors (151424747445750).

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

100143111434250 is a wasteful number, since it uses less digits than its factorization.

100143111434250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947297 (or 947287 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 100143111434250 its reverse (52434111341001), we get a palindrome (152577222775251).

The spelling of 100143111434250 in words is "one hundred trillion, one hundred forty-three billion, one hundred eleven million, four hundred thirty-four thousand, two hundred fifty".