1011320000001 has 24 divisors (see below), whose sum is σ = 1500332300480. Its totient is φ = 655966960416.

The previous prime is 1011319999997. The next prime is 1011320000003. The reversal of 1011320000001 is 1000000231101.

It is not a de Polignac number, because 1011320000001 - 2² = 1011319999997 is a prime.

It is a super-3 number, since 3×1011320000001³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011320000003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14677236 + ... + 14745978.

Almost surely, 2^{1011320000001} is an apocalyptic number.

It is an amenable number.

1011320000001 is a deficient number, since it is larger than the sum of its proper divisors (489012300479).

1011320000001 is a wasteful number, since it uses less digits than its factorization.

1011320000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112965 (or 112962 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1011320000001 its reverse (1000000231101), we get a palindrome (2011320231102).

The spelling of 1011320000001 in words is "one trillion, eleven billion, three hundred twenty million, one", and thus it is an aban number.