101103444 has 96 divisors (see below), whose sum is σ = 285344640. Its totient is φ = 30772224.

The previous prime is 101103371. The next prime is 101103451. The reversal of 101103444 is 444301101.

It is a super-2 number, since 2×101103444² = 20443812777322272, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149892 + ... + 150564.

It is an arithmetic number, because the mean of its divisors is an integer number (2972340).

Almost surely, 2^101103444 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 101103444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142672320).

101103444 is an abundant number, since it is smaller than the sum of its proper divisors (184241196).

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

101103444 is a wasteful number, since it uses less digits than its factorization.

101103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101103444 is about 10055.0208353837. The cubic root of 101103444 is about 465.8598865294.

Adding to 101103444 its reverse (444301101), we get a palindrome (545404545).

The spelling of 101103444 in words is "one hundred one million, one hundred three thousand, four hundred forty-four".