1011323010321 has 96 divisors (see below), whose sum is σ = 1702932766080. Its totient is φ = 572917017600.

The previous prime is 1011323010317. The next prime is 1011323010353. The reversal of 1011323010321 is 1230103231101.

1011323010321 is a `hidden beast` number, since 1 + 0 + 11 + 32 + 301 + 0 + 321 = 666.

It is not a de Polignac number, because 1011323010321 - 2² = 1011323010317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011323010294 and 1011323010303.

It is not an unprimeable number, because it can be changed into a prime (1011323010311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66697981 + ... + 66713141.

It is an arithmetic number, because the mean of its divisors is an integer number (17738882980).

Almost surely, 2^{1011323010321} is an apocalyptic number.

It is an amenable number.

1011323010321 is a deficient number, since it is larger than the sum of its proper divisors (691609755759).

1011323010321 is a wasteful number, since it uses less digits than its factorization.

1011323010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047 (or 16044 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011323010321 its reverse (1230103231101), we get a palindrome (2241426241422).

The spelling of 1011323010321 in words is "one trillion, eleven billion, three hundred twenty-three million, ten thousand, three hundred twenty-one".