1020102101321 has 8 divisors (see below), whose sum is σ = 1022478577920. Its totient is φ = 1017725957872.

The previous prime is 1020102101297. The next prime is 1020102101351. The reversal of 1020102101321 is 1231012010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020102101321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020102101296 and 1020102101305.

It is not an unprimeable number, because it can be changed into a prime (1020102101351) 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 7 ways as a sum of consecutive naturals, for example, 6686075 + ... + 6836943.

It is an arithmetic number, because the mean of its divisors is an integer number (127809822240).

Almost surely, 2^{1020102101321} is an apocalyptic number.

It is an amenable number.

1020102101321 is a deficient number, since it is larger than the sum of its proper divisors (2376476599).

1020102101321 is a wasteful number, since it uses less digits than its factorization.

1020102101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166575.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1020102101321 its reverse (1231012010201), we get a palindrome (2251114111522).

The spelling of 1020102101321 in words is "one trillion, twenty billion, one hundred two million, one hundred one thousand, three hundred twenty-one".