11111100100002 has 96 divisors (see below), whose sum is σ = 28723491181440. Its totient is φ = 3174498401760.

The previous prime is 11111100099943. The next prime is 11111100100019. The reversal of 11111100100002 is 20000100111111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130582552 + ... + 130667612.

It is an arithmetic number, because the mean of its divisors is an integer number (299203033140).

Almost surely, 2^{11111100100002} is an apocalyptic number.

11111100100002 is an abundant number, since it is smaller than the sum of its proper divisors (17612391081438).

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

11111100100002 is a wasteful number, since it uses less digits than its factorization.

11111100100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134453 (or 134440 counting only the distinct ones).

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

Adding to 11111100100002 its reverse (20000100111111), we get a palindrome (31111200211113).

The spelling of 11111100100002 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred thousand, two".