30000102311021 has 4 divisors (see below), whose sum is σ = 30000230175132. Its totient is φ = 29999974446912.

The previous prime is 30000102310991. The next prime is 30000102311029. The reversal of 30000102311021 is 12011320100003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5533832808100 + 24466269502921 = 2352410^2 + 4946339^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000102311021 - 2¹⁰ = 30000102309997 is a prime.

It is a super-2 number, since 2×30000102311021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30000102310987 and 30000102311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000102311029) 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, 63579470 + ... + 64049583.

It is an arithmetic number, because the mean of its divisors is an integer number (7500057543783).

Almost surely, 2^{30000102311021} is an apocalyptic number.

It is an amenable number.

30000102311021 is a deficient number, since it is larger than the sum of its proper divisors (127864111).

30000102311021 is a wasteful number, since it uses less digits than its factorization.

30000102311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127864110.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30000102311021 its reverse (12011320100003), we get a palindrome (42011422411024).

The spelling of 30000102311021 in words is "thirty trillion, one hundred two million, three hundred eleven thousand, twenty-one".