1122421321 has 32 divisors (see below), whose sum is σ = 1368576000. Its totient is φ = 899828160.

The previous prime is 1122421297. The next prime is 1122421327. The reversal of 1122421321 is 1231242211.

It is not a de Polignac number, because 1122421321 - 2⁷ = 1122421193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122421327) 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, 1702890 + ... + 1703548.

It is an arithmetic number, because the mean of its divisors is an integer number (42768000).

Almost surely, 2^1122421321 is an apocalyptic number.

It is an amenable number.

1122421321 is a deficient number, since it is larger than the sum of its proper divisors (246154679).

1122421321 is a wasteful number, since it uses less digits than its factorization.

1122421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its digits is 192, while the sum is 19.

The square root of 1122421321 is about 33502.5569322701. The cubic root of 1122421321 is about 1039.2466564179.

Adding to 1122421321 its reverse (1231242211), we get a palindrome (2353663532).

The spelling of 1122421321 in words is "one billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred twenty-one".