1001201013938 has 8 divisors (see below), whose sum is σ = 1502641930032. Its totient is φ = 500320370596.

The previous prime is 1001201013937. The next prime is 1001201013991. The reversal of 1001201013938 is 8393101021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1001201013938.

It is not an unprimeable number, because it can be changed into a prime (1001201013937) by changing a digit.

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, 140063720 + ... + 140070867.

It is an arithmetic number, because the mean of its divisors is an integer number (187830241254).

Almost surely, 2^{1001201013938} is an apocalyptic number.

1001201013938 is a deficient number, since it is larger than the sum of its proper divisors (501440916094).

1001201013938 is a wasteful number, since it uses less digits than its factorization.

1001201013938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280136376.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 1001201013938 its reverse (8393101021001), we get a palindrome (9394302034939).

The spelling of 1001201013938 in words is "one trillion, one billion, two hundred one million, thirteen thousand, nine hundred thirty-eight".