11102140205 has 32 divisors (see below), whose sum is σ = 14822922240. Its totient is φ = 7927223040.

The previous prime is 11102140193. The next prime is 11102140219. The reversal of 11102140205 is 50204120111.

It is not a de Polignac number, because 11102140205 - 2⁸ = 11102139949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4167704 + ... + 4170366.

It is an arithmetic number, because the mean of its divisors is an integer number (463216320).

Almost surely, 2^11102140205 is an apocalyptic number.

It is an amenable number.

11102140205 is a deficient number, since it is larger than the sum of its proper divisors (3720782035).

11102140205 is a wasteful number, since it uses less digits than its factorization.

11102140205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11102140205 its reverse (50204120111), we get a palindrome (61306260316).

The spelling of 11102140205 in words is "eleven billion, one hundred two million, one hundred forty thousand, two hundred five".