1020000101321 has 8 divisors (see below), whose sum is σ = 1073712974400. Its totient is φ = 966290094000.

The previous prime is 1020000101317. The next prime is 1020000101353. The reversal of 1020000101321 is 1231010000201.

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 1020000101321 - 2² = 1020000101317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020000101221) 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, 34340 + ... + 1428698.

It is an arithmetic number, because the mean of its divisors is an integer number (134214121800).

Almost surely, 2^{1020000101321} is an apocalyptic number.

It is an amenable number.

1020000101321 is a deficient number, since it is larger than the sum of its proper divisors (53712873079).

1020000101321 is a wasteful number, since it uses less digits than its factorization.

1020000101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432879.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1020000101321 its reverse (1231010000201), we get a palindrome (2251010101522).

The spelling of 1020000101321 in words is "one trillion, twenty billion, one hundred one thousand, three hundred twenty-one".