30101100311021 has 8 divisors (see below), whose sum is σ = 30518429646264. Its totient is φ = 29683905719040.

The previous prime is 30101100310979. The next prime is 30101100311059. The reversal of 30101100311021 is 12011300110103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1735740375625 + 28365359935396 = 1317475^2 + 5325914^2 .

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 30101100311021 - 2¹⁴ = 30101100294637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30101100310987 and 30101100311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101100311621) 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, 33235886 + ... + 34129551.

It is an arithmetic number, because the mean of its divisors is an integer number (3814803705783).

Almost surely, 2^{30101100311021} is an apocalyptic number.

It is an amenable number.

30101100311021 is a deficient number, since it is larger than the sum of its proper divisors (417329335243).

30101100311021 is an equidigital number, since it uses as much as digits as its factorization.

30101100311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67371631.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 30101100311021 its reverse (12011300110103), we get a palindrome (42112400421124).

The spelling of 30101100311021 in words is "thirty trillion, one hundred one billion, one hundred million, three hundred eleven thousand, twenty-one".