1011244032001 has 4 divisors (see below), whose sum is σ = 1155707465152. Its totient is φ = 866780598852.

The previous prime is 1011244031989. The next prime is 1011244032041. The reversal of 1011244032001 is 1002304421101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1011244032001 - 2⁹ = 1011244031489 is a prime.

It is a super-2 number, since 2×1011244032001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011244032001.

It is not an unprimeable number, because it can be changed into a prime (1011244032041) 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, 72231716565 + ... + 72231716578.

It is an arithmetic number, because the mean of its divisors is an integer number (288926866288).

Almost surely, 2^{1011244032001} is an apocalyptic number.

It is an amenable number.

1011244032001 is a deficient number, since it is larger than the sum of its proper divisors (144463433151).

1011244032001 is an equidigital number, since it uses as much as digits as its factorization.

1011244032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144463433150.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1011244032001 its reverse (1002304421101), we get a palindrome (2013548453102).

The spelling of 1011244032001 in words is "one trillion, eleven billion, two hundred forty-four million, thirty-two thousand, one".