1001100111102 has 96 divisors (see below), whose sum is σ = 2670144754368. Its totient is φ = 263972556288.

The previous prime is 1001100111079. The next prime is 1001100111107. The reversal of 1001100111102 is 2011110011001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100111107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8315328 + ... + 8434860.

It is an arithmetic number, because the mean of its divisors is an integer number (27814007858).

Almost surely, 2^{1001100111102} is an apocalyptic number.

1001100111102 is an abundant number, since it is smaller than the sum of its proper divisors (1669044643266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001100111102 is a wasteful number, since it uses less digits than its factorization.

1001100111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124674 (or 124671 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1001100111102 its reverse (2011110011001), we get a palindrome (3012210122103).

The spelling of 1001100111102 in words is "one trillion, one billion, one hundred million, one hundred eleven thousand, one hundred two".