11101001200002 has 36 divisors (see below), whose sum is σ = 27979054047126. Its totient is φ = 3171714628320.

The previous prime is 11101001199973. The next prime is 11101001200019. The reversal of 11101001200002 is 20000210010111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9045651744801 + 2055349455201 = 3007599^2 + 1433649^2 .

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 17 ways as a sum of consecutive naturals, for example, 6293083699 + ... + 6293085462.

Almost surely, 2^{11101001200002} is an apocalyptic number.

11101001200002 is an abundant number, since it is smaller than the sum of its proper divisors (16878052847124).

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

11101001200002 is a wasteful number, since it uses less digits than its factorization.

11101001200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586169183 (or 12586169173 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11101001200002 its reverse (20000210010111), we get a palindrome (31101211210113).

The spelling of 11101001200002 in words is "eleven trillion, one hundred one billion, one million, two hundred thousand, two".