11100100001001 has 8 divisors (see below), whose sum is σ = 16145600001504. Its totient is φ = 6727333333920.

The previous prime is 11100100000987. The next prime is 11100100001017. The reversal of 11100100001001 is 10010000100111.

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

It is not a de Polignac number, because 11100100001001 - 2¹³ = 11100099992809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100100011001) 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, 168183333316 + ... + 168183333381.

It is an arithmetic number, because the mean of its divisors is an integer number (2018200000188).

Almost surely, 2^{11100100001001} is an apocalyptic number.

11100100001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100100001001 is a deficient number, since it is larger than the sum of its proper divisors (5045500000503).

11100100001001 is a wasteful number, since it uses less digits than its factorization.

11100100001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336366666711.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11100100001001 its reverse (10010000100111), we get a palindrome (21110100101112).

It can be divided in two parts, 11 and 100100001001, that multiplied together give a palindrome (1101100011011).

The spelling of 11100100001001 in words is "eleven trillion, one hundred billion, one hundred million, one thousand, one".