120211110205 has 4 divisors (see below), whose sum is σ = 144253332252. Its totient is φ = 96168888160.

The previous prime is 120211110199. The next prime is 120211110223. The reversal of 120211110205 is 502011112021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12378342564 + 107832767641 = 111258^2 + 328379^2 .

It is not a de Polignac number, because 120211110205 - 2⁹ = 120211109693 is a prime.

It is a super-2 number, since 2×120211110205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12021111016 + ... + 12021111025.

It is an arithmetic number, because the mean of its divisors is an integer number (36063333063).

Almost surely, 2^120211110205 is an apocalyptic number.

It is an amenable number.

120211110205 is a deficient number, since it is larger than the sum of its proper divisors (24042222047).

120211110205 is an equidigital number, since it uses as much as digits as its factorization.

120211110205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24042222046.

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

Adding to 120211110205 its reverse (502011112021), we get a palindrome (622222222226).

The spelling of 120211110205 in words is "one hundred twenty billion, two hundred eleven million, one hundred ten thousand, two hundred five".