11101200102 has 24 divisors (see below), whose sum is σ = 25098366384. Its totient is φ = 3539512944.

The previous prime is 11101200059. The next prime is 11101200119. The reversal of 11101200102 is 20100210111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13406833 + ... + 13407660.

It is an arithmetic number, because the mean of its divisors is an integer number (1045765266).

Almost surely, 2^11101200102 is an apocalyptic number.

11101200102 is an abundant number, since it is smaller than the sum of its proper divisors (13997166282).

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

11101200102 is a wasteful number, since it uses less digits than its factorization.

11101200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26814524 (or 26814521 counting only the distinct ones).

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

Adding to 11101200102 its reverse (20100210111), we get a palindrome (31201410213).

The spelling of 11101200102 in words is "eleven billion, one hundred one million, two hundred thousand, one hundred two".