30012211022021 has 8 divisors (see below), whose sum is σ = 30827472362904. Its totient is φ = 29197166549760.

The previous prime is 30012211021999. The next prime is 30012211022081. The reversal of 30012211022021 is 12022011221003.

It can be written as a sum of positive squares in 4 ways, for example, as 16460344408225 + 13551866613796 = 4057135^2 + 3681286^2 .

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-30012211022021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012211022081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53936600 + ... + 54490193.

It is an arithmetic number, because the mean of its divisors is an integer number (3853434045363).

Almost surely, 2^{30012211022021} is an apocalyptic number.

It is an amenable number.

30012211022021 is a deficient number, since it is larger than the sum of its proper divisors (815261340883).

30012211022021 is a wasteful number, since it uses less digits than its factorization.

30012211022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108434311.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30012211022021 its reverse (12022011221003), we get a palindrome (42034222243024).

The spelling of 30012211022021 in words is "thirty trillion, twelve billion, two hundred eleven million, twenty-two thousand, twenty-one".