1011212302321 has 8 divisors (see below), whose sum is σ = 1089153112320. Its totient is φ = 933293670672.

The previous prime is 1011212302301. The next prime is 1011212302349. The reversal of 1011212302321 is 1232032121101.

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 1011212302321 - 2¹⁹ = 1011211778033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011212302301) 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, 5449825 + ... + 5632318.

It is an arithmetic number, because the mean of its divisors is an integer number (136144139040).

Almost surely, 2^{1011212302321} is an apocalyptic number.

It is an amenable number.

1011212302321 is a deficient number, since it is larger than the sum of its proper divisors (77940809999).

1011212302321 is a wasteful number, since it uses less digits than its factorization.

1011212302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089175.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1011212302321 its reverse (1232032121101), we get a palindrome (2243244423422).

The spelling of 1011212302321 in words is "one trillion, eleven billion, two hundred twelve million, three hundred two thousand, three hundred twenty-one".