11012102100205 has 16 divisors (see below), whose sum is σ = 13789181525760. Its totient is φ = 8426582040448.

The previous prime is 11012102100187. The next prime is 11012102100221. The reversal of 11012102100205 is 50200120121011.

It is a cyclic number.

It is not a de Polignac number, because 11012102100205 - 2¹¹ = 11012102098157 is a prime.

It is a super-2 number, since 2×11012102100205² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16680441 + ... + 17328049.

It is an arithmetic number, because the mean of its divisors is an integer number (861823845360).

Almost surely, 2^{11012102100205} is an apocalyptic number.

It is an amenable number.

11012102100205 is a deficient number, since it is larger than the sum of its proper divisors (2777079425555).

11012102100205 is a wasteful number, since it uses less digits than its factorization.

11012102100205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795500.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 11012102100205 its reverse (50200120121011), we get a palindrome (61212222221216).

The spelling of 11012102100205 in words is "eleven trillion, twelve billion, one hundred two million, one hundred thousand, two hundred five".