11201202135 has 24 divisors (see below), whose sum is σ = 19419944544. Its totient is φ = 5972581440.

The previous prime is 11201202127. The next prime is 11201202143. The reversal of 11201202135 is 53120210211.

It is an interprime number because it is at equal distance from previous prime (11201202127) and next prime (11201202143).

It is not a de Polignac number, because 11201202135 - 2³ = 11201202127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183145 + ... + 236525.

It is an arithmetic number, because the mean of its divisors is an integer number (809164356).

Almost surely, 2^11201202135 is an apocalyptic number.

11201202135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11201202135 is a deficient number, since it is larger than the sum of its proper divisors (8218742409).

11201202135 is a wasteful number, since it uses less digits than its factorization.

11201202135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58055 (or 58052 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11201202135 its reverse (53120210211), we get a palindrome (64321412346).

The spelling of 11201202135 in words is "eleven billion, two hundred one million, two hundred two thousand, one hundred thirty-five".