1121103132011 has 4 divisors (see below), whose sum is σ = 1121105361432. Its totient is φ = 1121100902592.

The previous prime is 1121103131987. The next prime is 1121103132113. The reversal of 1121103132011 is 1102313011211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121103132011 - 2²⁶ = 1121036023147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121103135011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34556 + ... + 1497798.

It is an arithmetic number, because the mean of its divisors is an integer number (280276340358).

Almost surely, 2^{1121103132011} is an apocalyptic number.

1121103132011 is a deficient number, since it is larger than the sum of its proper divisors (2229421).

1121103132011 is an equidigital number, since it uses as much as digits as its factorization.

1121103132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229420.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1121103132011 its reverse (1102313011211), we get a palindrome (2223416143222).

The spelling of 1121103132011 in words is "one trillion, one hundred twenty-one billion, one hundred three million, one hundred thirty-two thousand, eleven".