1122013321 has 32 divisors (see below), whose sum is σ = 1347413760. Its totient is φ = 920851200.

The previous prime is 1122013313. The next prime is 1122013331. The reversal of 1122013321 is 1233102211.

It is a cyclic number.

It is not a de Polignac number, because 1122013321 - 2³ = 1122013313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122013295 and 1122013304.

It is not an unprimeable number, because it can be changed into a prime (1122013331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2555620 + ... + 2556058.

It is an arithmetic number, because the mean of its divisors is an integer number (42106680).

Almost surely, 2^1122013321 is an apocalyptic number.

1122013321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122013321 is a deficient number, since it is larger than the sum of its proper divisors (225400439).

1122013321 is a wasteful number, since it uses less digits than its factorization.

1122013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1122013321 is about 33496.4672913428. The cubic root of 1122013321 is about 1039.1207191504.

Adding to 1122013321 its reverse (1233102211), we get a palindrome (2355115532).

The spelling of 1122013321 in words is "one billion, one hundred twenty-two million, thirteen thousand, three hundred twenty-one".