1131321121103 has 8 divisors (see below), whose sum is σ = 1168172476416. Its totient is φ = 1094492086200.

The previous prime is 1131321121079. The next prime is 1131321121111. The reversal of 1131321121103 is 3011211231311.

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 1131321121103 - 2⁶ = 1131321121039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131321127103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477051 + ... + 5679852.

It is an arithmetic number, because the mean of its divisors is an integer number (146021559552).

Almost surely, 2^{1131321121103} is an apocalyptic number.

1131321121103 is a deficient number, since it is larger than the sum of its proper divisors (36851355313).

1131321121103 is a wasteful number, since it uses less digits than its factorization.

1131321121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160205.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1131321121103 its reverse (3011211231311), we get a palindrome (4142532352414).

The spelling of 1131321121103 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred three".