1121121120211 has 8 divisors (see below), whose sum is σ = 1132384459248. Its totient is φ = 1109860980000.

The previous prime is 1121121120187. The next prime is 1121121120233. The reversal of 1121121120211 is 1120211211211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121121120211 - 2¹⁷ = 1121120989139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121121120241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92100 + ... + 1500241.

It is an arithmetic number, because the mean of its divisors is an integer number (141548057406).

Almost surely, 2^{1121121120211} is an apocalyptic number.

1121121120211 is a deficient number, since it is larger than the sum of its proper divisors (11263339037).

1121121120211 is a wasteful number, since it uses less digits than its factorization.

1121121120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599413.

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

Adding to 1121121120211 its reverse (1120211211211), we get a palindrome (2241332331422).

The spelling of 1121121120211 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".