30221242242021 has 32 divisors (see below), whose sum is σ = 46420631568000. Its totient is φ = 19408841996544.

The previous prime is 30221242242001. The next prime is 30221242242041. The reversal of 30221242242021 is 12024224212203.

30221242242021 is a `hidden beast` number, since 3 + 0 + 2 + 212 + 4 + 2 + 2 + 420 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (30221242242001) and next prime (30221242242041).

It is not a de Polignac number, because 30221242242021 - 2⁷ = 30221242241893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221242242001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43216036 + ... + 43909773.

It is an arithmetic number, because the mean of its divisors is an integer number (1450644736500).

Almost surely, 2^{30221242242021} is an apocalyptic number.

It is an amenable number.

30221242242021 is a deficient number, since it is larger than the sum of its proper divisors (16199389325979).

30221242242021 is a wasteful number, since it uses less digits than its factorization.

30221242242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87126290 (or 87126284 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 30221242242021 its reverse (12024224212203), we get a palindrome (42245466454224).

It can be divided in two parts, 30221 and 242242021, that added together give a palindrome (242272242).

The spelling of 30221242242021 in words is "thirty trillion, two hundred twenty-one billion, two hundred forty-two million, two hundred forty-two thousand, twenty-one".