101021004444 has 12 divisors (see below), whose sum is σ = 235715677064. Its totient is φ = 33673668144.

The previous prime is 101021004439. The next prime is 101021004457. The reversal of 101021004444 is 444400120101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 101021004444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209208507 + ... + 4209208530.

Almost surely, 2^101021004444 is an apocalyptic number.

It is an amenable number.

101021004444 is an abundant number, since it is smaller than the sum of its proper divisors (134694672620).

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

101021004444 is a wasteful number, since it uses less digits than its factorization.

101021004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418417044 (or 8418417042 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 101021004444 its reverse (444400120101), we get a palindrome (545421124545).

The spelling of 101021004444 in words is "one hundred one billion, twenty-one million, four thousand, four hundred forty-four".