11145202101 has 32 divisors (see below), whose sum is σ = 18025789440. Its totient is φ = 6749665200.

The previous prime is 11145202063. The next prime is 11145202171. The reversal of 11145202101 is 10120254111.

11145202101 is a `hidden beast` number, since 1 + 1 + 1 + 452 + 0 + 210 + 1 = 666.

It is not a de Polignac number, because 11145202101 - 2⁶ = 11145202037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145202171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409446 + ... + 435816.

It is an arithmetic number, because the mean of its divisors is an integer number (563305920).

Almost surely, 2^11145202101 is an apocalyptic number.

11145202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11145202101 is a deficient number, since it is larger than the sum of its proper divisors (6880587339).

11145202101 is a wasteful number, since it uses less digits than its factorization.

11145202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27814 (or 27808 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 11145202101 its reverse (10120254111), we get a palindrome (21265456212).

The spelling of 11145202101 in words is "eleven billion, one hundred forty-five million, two hundred two thousand, one hundred one".