1011123110001 has 8 divisors (see below), whose sum is σ = 1361512306944. Its totient is φ = 667407993200.

The previous prime is 1011123109961. The next prime is 1011123110003. The reversal of 1011123110001 is 1000113211101.

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 1011123110001 - 2⁷ = 1011123109873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011123110003) 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 7 ways as a sum of consecutive naturals, for example, 1668519681 + ... + 1668520286.

It is an arithmetic number, because the mean of its divisors is an integer number (170189038368).

Almost surely, 2^{1011123110001} is an apocalyptic number.

It is an amenable number.

1011123110001 is a deficient number, since it is larger than the sum of its proper divisors (350389196943).

1011123110001 is a wasteful number, since it uses less digits than its factorization.

1011123110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337040071.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1011123110001 its reverse (1000113211101), we get a palindrome (2011236321102).

The spelling of 1011123110001 in words is "one trillion, eleven billion, one hundred twenty-three million, one hundred ten thousand, one".