1001101131023 has 6 divisors (see below), whose sum is σ = 1164546213696. Its totient is φ = 858086683692.

The previous prime is 1001101130999. The next prime is 1001101131029. The reversal of 1001101131023 is 3201311011001.

It is a happy number.

It is not a de Polignac number, because 1001101131023 - 2¹⁶ = 1001101065487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001101130989 and 1001101131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001101131029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10215317615 + ... + 10215317712.

It is an arithmetic number, because the mean of its divisors is an integer number (194091035616).

Almost surely, 2^{1001101131023} is an apocalyptic number.

1001101131023 is a deficient number, since it is larger than the sum of its proper divisors (163445082673).

1001101131023 is an equidigital number, since it uses as much as digits as its factorization.

1001101131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430635341 (or 20430635334 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1001101131023 its reverse (3201311011001), we get a palindrome (4202412142024).

The spelling of 1001101131023 in words is "one trillion, one billion, one hundred one million, one hundred thirty-one thousand, twenty-three".