11322103221 has 36 divisors (see below), whose sum is σ = 19358845324. Its totient is φ = 6334035840.

The previous prime is 11322103181. The next prime is 11322103223. The reversal of 11322103221 is 12230122311.

11322103221 is a `hidden beast` number, since 1 + 132 + 210 + 322 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7265687121 + 4056416100 = 85239^2 + 63690^2 .

It is not a de Polignac number, because 11322103221 - 2¹⁴ = 11322086837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11322103194 and 11322103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322103223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 385720 + ... + 414033.

Almost surely, 2^11322103221 is an apocalyptic number.

11322103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11322103221 is a deficient number, since it is larger than the sum of its proper divisors (8036742103).

11322103221 is a wasteful number, since it uses less digits than its factorization.

11322103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799794 (or 799780 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11322103221 its reverse (12230122311), we get a palindrome (23552225532).

The spelling of 11322103221 in words is "eleven billion, three hundred twenty-two million, one hundred three thousand, two hundred twenty-one".