1021113301321 has 8 divisors (see below), whose sum is σ = 1082169807264. Its totient is φ = 960166908480.

The previous prime is 1021113301319. The next prime is 1021113301331. The reversal of 1021113301321 is 1231033111201.

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 1021113301321 - 2¹ = 1021113301319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021113301301) 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 7 ways as a sum of consecutive naturals, for example, 27509175 + ... + 27546268.

It is an arithmetic number, because the mean of its divisors is an integer number (135271225908).

Almost surely, 2^{1021113301321} is an apocalyptic number.

It is an amenable number.

1021113301321 is a deficient number, since it is larger than the sum of its proper divisors (61056505943).

1021113301321 is a wasteful number, since it uses less digits than its factorization.

1021113301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55056551.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1021113301321 its reverse (1231033111201), we get a palindrome (2252146412522).

The spelling of 1021113301321 in words is "one trillion, twenty-one billion, one hundred thirteen million, three hundred one thousand, three hundred twenty-one".