101211043044 has 12 divisors (see below), whose sum is σ = 236159100464. Its totient is φ = 33737014344.

The previous prime is 101211043007. The next prime is 101211043051. The reversal of 101211043044 is 440340112101.

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 101211043044.

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 3 ways as a sum of consecutive naturals, for example, 4217126782 + ... + 4217126805.

Almost surely, 2^101211043044 is an apocalyptic number.

It is an amenable number.

101211043044 is an abundant number, since it is smaller than the sum of its proper divisors (134948057420).

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

101211043044 is a wasteful number, since it uses less digits than its factorization.

101211043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434253594 (or 8434253592 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101211043044 its reverse (440340112101), we get a palindrome (541551155145).

The spelling of 101211043044 in words is "one hundred one billion, two hundred eleven million, forty-three thousand, forty-four".