1011001100011 has 8 divisors (see below), whose sum is σ = 1158174320864. Its totient is φ = 864514002240.

The previous prime is 1011001100003. The next prime is 1011001100029. The reversal of 1011001100011 is 1100011001101.

It is a happy number.

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

It is not a de Polignac number, because 1011001100011 - 2³ = 1011001100003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011001099967 and 1011001100003.

It is not an unprimeable number, because it can be changed into a prime (1011001100111) 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, 171527610 + ... + 171533503.

It is an arithmetic number, because the mean of its divisors is an integer number (144771790108).

Almost surely, 2^{1011001100011} is an apocalyptic number.

1011001100011 is a deficient number, since it is larger than the sum of its proper divisors (147173220853).

1011001100011 is an equidigital number, since it uses as much as digits as its factorization.

1011001100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343061541.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1011001100011 its reverse (1100011001101), we get a palindrome (2111012101112).

The spelling of 1011001100011 in words is "one trillion, eleven billion, one million, one hundred thousand, eleven".