2011200121105 has 16 divisors (see below), whose sum is σ = 2758426128000. Its totient is φ = 1379004244992.

The previous prime is 2011200121087. The next prime is 2011200121127. The reversal of 2011200121105 is 5011210021102.

It is a cyclic number.

It is not a de Polignac number, because 2011200121105 - 2¹⁹ = 2011199596817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704859 + ... + 2632288.

It is an arithmetic number, because the mean of its divisors is an integer number (172401633000).

Almost surely, 2^{2011200121105} is an apocalyptic number.

It is an amenable number.

2011200121105 is a deficient number, since it is larger than the sum of its proper divisors (747226006895).

2011200121105 is a wasteful number, since it uses less digits than its factorization.

2011200121105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350408.

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

Adding to 2011200121105 its reverse (5011210021102), we get a palindrome (7022410142207).

The spelling of 2011200121105 in words is "two trillion, eleven billion, two hundred million, one hundred twenty-one thousand, one hundred five".