1011242321 has 8 divisors (see below), whose sum is σ = 1015675584. Its totient is φ = 1006818480.

The previous prime is 1011242299. The next prime is 1011242333. The reversal of 1011242321 is 1232421101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011242321 - 2⁶ = 1011242257 is a prime.

It is a super-2 number, since 2×1011242321² = 2045222063562934082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011242321.

It is not an unprimeable number, because it can be changed into a prime (1011242381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283811 + ... + 287351.

It is an arithmetic number, because the mean of its divisors is an integer number (126959448).

Almost surely, 2^1011242321 is an apocalyptic number.

It is an amenable number.

1011242321 is a deficient number, since it is larger than the sum of its proper divisors (4433263).

1011242321 is an equidigital number, since it uses as much as digits as its factorization.

1011242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1011242321 is about 31800.0364936898. The cubic root of 1011242321 is about 1003.7334840830.

Adding to 1011242321 its reverse (1232421101), we get a palindrome (2243663422).

The spelling of 1011242321 in words is "one billion, eleven million, two hundred forty-two thousand, three hundred twenty-one".