1122323011 has 4 divisors (see below), whose sum is σ = 1146202272. Its totient is φ = 1098443752.

The previous prime is 1122322933. The next prime is 1122323023. The reversal of 1122323011 is 1103232211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103232211 = 25759 ⋅42829.

It is a cyclic number.

It is not a de Polignac number, because 1122323011 - 2⁹ = 1122322499 is a prime.

It is a super-2 number, since 2×1122323011² = 2519217882040212242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122326011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11939560 + ... + 11939653.

It is an arithmetic number, because the mean of its divisors is an integer number (286550568).

Almost surely, 2^1122323011 is an apocalyptic number.

1122323011 is a deficient number, since it is larger than the sum of its proper divisors (23879261).

1122323011 is an equidigital number, since it uses as much as digits as its factorization.

1122323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879260.

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

The square root of 1122323011 is about 33501.0896986949. The cubic root of 1122323011 is about 1039.2163138837.

Adding to 1122323011 its reverse (1103232211), we get a palindrome (2225555222).

The spelling of 1122323011 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, eleven".