1121103144211 has 8 divisors (see below), whose sum is σ = 1124488462320. Its totient is φ = 1117719009792.

The previous prime is 1121103144193. The next prime is 1121103144221. The reversal of 1121103144211 is 1124413011211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121103144211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121103144221) 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, 1619871 + ... + 2205943.

It is an arithmetic number, because the mean of its divisors is an integer number (140561057790).

Almost surely, 2^{1121103144211} is an apocalyptic number.

1121103144211 is a deficient number, since it is larger than the sum of its proper divisors (3385318109).

1121103144211 is an equidigital number, since it uses as much as digits as its factorization.

1121103144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591845.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 1121103144211 its reverse (1124413011211), we get a palindrome (2245516155422).

The spelling of 1121103144211 in words is "one trillion, one hundred twenty-one billion, one hundred three million, one hundred forty-four thousand, two hundred eleven".