1001020001192 has 16 divisors (see below), whose sum is σ = 1878574974900. Its totient is φ = 500066674560.

The previous prime is 1001020001171. The next prime is 1001020001209. The reversal of 1001020001192 is 2911000201001.

It can be written as a sum of positive squares in 2 ways, for example, as 985306375876 + 15713625316 = 992626^2 + 125354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001020001192.

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, 55406159 + ... + 55424222.

Almost surely, 2^{1001020001192} is an apocalyptic number.

It is an amenable number.

1001020001192 is a deficient number, since it is larger than the sum of its proper divisors (877554973708).

1001020001192 is a wasteful number, since it uses less digits than its factorization.

1001020001192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110831516 (or 110831512 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1001020001192 its reverse (2911000201001), we get a palindrome (3912020202193).

The spelling of 1001020001192 in words is "one trillion, one billion, twenty million, one thousand, one hundred ninety-two".