1001000001011 has 8 divisors (see below), whose sum is σ = 1029198464448. Its totient is φ = 972981720000.

The previous prime is 1001000001007. The next prime is 1001000001037. The reversal of 1001000001011 is 1101000001001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001000001011 - 2² = 1001000001007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001000000986 and 1001000001004.

It is not an unprimeable number, because it can be changed into a prime (1001000001311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45034340 + ... + 45056561.

It is an arithmetic number, because the mean of its divisors is an integer number (128649808056).

Almost surely, 2^{1001000001011} is an apocalyptic number.

1001000001011 is a deficient number, since it is larger than the sum of its proper divisors (28198463437).

1001000001011 is an equidigital number, since it uses as much as digits as its factorization.

1001000001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90091213.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1001000001011 its reverse (1101000001001), we get a palindrome (2102000002012).

The spelling of 1001000001011 in words is "one trillion, one billion, one thousand, eleven".