1000535213321 has 16 divisors (see below), whose sum is σ = 1156375382400. Its totient is φ = 847922663808.

The previous prime is 1000535213297. The next prime is 1000535213323. The reversal of 1000535213321 is 1233125350001.

It is a cyclic number.

It is not a de Polignac number, because 1000535213321 - 2²² = 1000531019017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000535213323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20917010 + ... + 20964788.

It is an arithmetic number, because the mean of its divisors is an integer number (72273461400).

Almost surely, 2^{1000535213321} is an apocalyptic number.

It is an amenable number.

1000535213321 is a deficient number, since it is larger than the sum of its proper divisors (155840169079).

1000535213321 is an equidigital number, since it uses as much as digits as its factorization.

1000535213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81488.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 1000535213321 in words is "one trillion, five hundred thirty-five million, two hundred thirteen thousand, three hundred twenty-one".