1102221321 has 4 divisors (see below), whose sum is σ = 1469628432. Its totient is φ = 734814212.

The previous prime is 1102221317. The next prime is 1102221347. The reversal of 1102221321 is 1231222011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1102221321 - 2² = 1102221317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102221321.

It is not an unprimeable number, because it can be changed into a prime (1102221311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183703551 + ... + 183703556.

It is an arithmetic number, because the mean of its divisors is an integer number (367407108).

Almost surely, 2^1102221321 is an apocalyptic number.

It is an amenable number.

1102221321 is a deficient number, since it is larger than the sum of its proper divisors (367407111).

1102221321 is an equidigital number, since it uses as much as digits as its factorization.

1102221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367407110.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1102221321 is about 33199.7186885672. The cubic root of 1102221321 is about 1032.9745044651.

Adding to 1102221321 its reverse (1231222011), we get a palindrome (2333443332).

The spelling of 1102221321 in words is "one billion, one hundred two million, two hundred twenty-one thousand, three hundred twenty-one".