1000100111101 has 48 divisors (see below), whose sum is σ = 1282935024000. Its totient is φ = 772451551872.

The previous prime is 1000100111099. The next prime is 1000100111111. The reversal of 1000100111101 is 1011110010001.

It is a happy number.

It is not a de Polignac number, because 1000100111101 - 2¹ = 1000100111099 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000100111111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6644010 + ... + 6792868.

It is an arithmetic number, because the mean of its divisors is an integer number (26727813000).

Almost surely, 2^{1000100111101} is an apocalyptic number.

It is an amenable number.

1000100111101 is a deficient number, since it is larger than the sum of its proper divisors (282834912899).

1000100111101 is a wasteful number, since it uses less digits than its factorization.

1000100111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149138 (or 149131 counting only the distinct ones).

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

Adding to 1000100111101 its reverse (1011110010001), we get a palindrome (2011210121102).

The spelling of 1000100111101 in words is "one trillion, one hundred million, one hundred eleven thousand, one hundred one".