1121103221 has 8 divisors (see below), whose sum is σ = 1312511424. Its totient is φ = 937507680.

The previous prime is 1121103211. The next prime is 1121103229. The reversal of 1121103221 is 1223011211.

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 1121103221 - 2⁶ = 1121103157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121103196 and 1121103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103229) 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, 1952855 + ... + 1953428.

It is an arithmetic number, because the mean of its divisors is an integer number (164063928).

Almost surely, 2^1121103221 is an apocalyptic number.

It is an amenable number.

1121103221 is a deficient number, since it is larger than the sum of its proper divisors (191408203).

1121103221 is an equidigital number, since it uses as much as digits as its factorization.

1121103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906331.

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

The square root of 1121103221 is about 33482.8795207342. The cubic root of 1121103221 is about 1038.8396887441.

Adding to 1121103221 its reverse (1223011211), we get a palindrome (2344114432).

The spelling of 1121103221 in words is "one billion, one hundred twenty-one million, one hundred three thousand, two hundred twenty-one".