1121102321 has 12 divisors (see below), whose sum is σ = 1184866560. Its totient is φ = 1059652440.

The previous prime is 1121102309. The next prime is 1121102393. The reversal of 1121102321 is 1232011211.

It is not a de Polignac number, because 1121102321 - 2¹⁸ = 1120840177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121102296 and 1121102305.

It is not an unprimeable number, because it can be changed into a prime (1121192321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47540 + ... + 67098.

It is an arithmetic number, because the mean of its divisors is an integer number (98738880).

Almost surely, 2^1121102321 is an apocalyptic number.

It is an amenable number.

1121102321 is a deficient number, since it is larger than the sum of its proper divisors (63764239).

1121102321 is an equidigital number, since it uses as much as digits as its factorization.

1121102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19676 (or 19633 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121102321 is about 33482.8660810272. The cubic root of 1121102321 is about 1038.8394107572.

Adding to 1121102321 its reverse (1232011211), we get a palindrome (2353113532).

The spelling of 1121102321 in words is "one billion, one hundred twenty-one million, one hundred two thousand, three hundred twenty-one".