1121000011321 has 8 divisors (see below), whose sum is σ = 1171950382080. Its totient is φ = 1072260868756.

The previous prime is 1121000011283. The next prime is 1121000011399. The reversal of 1121000011321 is 1231100001211.

It is a happy number.

It is not a de Polignac number, because 1121000011321 - 2¹³ = 1121000003129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121000011721) 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, 46055065 + ... + 46079398.

It is an arithmetic number, because the mean of its divisors is an integer number (146493797760).

Almost surely, 2^{1121000011321} is an apocalyptic number.

It is an amenable number.

1121000011321 is a deficient number, since it is larger than the sum of its proper divisors (50950370759).

1121000011321 is an frugal number, since it uses more digits than its factorization.

1121000011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92134532 (or 92134486 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1121000011321 its reverse (1231100001211), we get a palindrome (2352100012532).

The spelling of 1121000011321 in words is "one trillion, one hundred twenty-one billion, eleven thousand, three hundred twenty-one".