10310101201021 has 4 divisors (see below), whose sum is σ = 10310109991452. Its totient is φ = 10310092410592.

The previous prime is 10310101201019. The next prime is 10310101201111. The reversal of 10310101201021 is 12010210101301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3338330952100 + 6971770248921 = 1827110^2 + 2640411^2 .

It is a cyclic number.

It is not a de Polignac number, because 10310101201021 - 2¹ = 10310101201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10310101200992 and 10310101201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10310101201721) 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, 2304346 + ... + 5092171.

It is an arithmetic number, because the mean of its divisors is an integer number (2577527497863).

Almost surely, 2^{10310101201021} is an apocalyptic number.

It is an amenable number.

10310101201021 is a deficient number, since it is larger than the sum of its proper divisors (8790431).

10310101201021 is an equidigital number, since it uses as much as digits as its factorization.

10310101201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790430.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10310101201021 its reverse (12010210101301), we get a palindrome (22320311302322).

The spelling of 10310101201021 in words is "ten trillion, three hundred ten billion, one hundred one million, two hundred one thousand, twenty-one".