1010101321321 has 4 divisors (see below), whose sum is σ = 1042685234944. Its totient is φ = 977517407700.

The previous prime is 1010101321301. The next prime is 1010101321331. The reversal of 1010101321321 is 1231231010101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010101321321 - 2²⁵ = 1010067766889 is a prime.

It is a super-3 number, since 3×1010101321321³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101321295 and 1010101321304.

It is not an unprimeable number, because it can be changed into a prime (1010101321301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16291956765 + ... + 16291956826.

It is an arithmetic number, because the mean of its divisors is an integer number (260671308736).

Almost surely, 2^{1010101321321} is an apocalyptic number.

It is an amenable number.

1010101321321 is a deficient number, since it is larger than the sum of its proper divisors (32583913623).

1010101321321 is an equidigital number, since it uses as much as digits as its factorization.

1010101321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32583913622.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1010101321321 its reverse (1231231010101), we get a palindrome (2241332331422).

The spelling of 1010101321321 in words is "one trillion, ten billion, one hundred one million, three hundred twenty-one thousand, three hundred twenty-one".