30220120031221 has 8 divisors (see below), whose sum is σ = 31542146907840. Its totient is φ = 28898768872512.

The previous prime is 30220120031197. The next prime is 30220120031273. The reversal of 30220120031221 is 12213002102203.

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 30220120031221 - 2⁴¹ = 28021096775669 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 (30220120031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168838075 + ... + 169016968.

It is an arithmetic number, because the mean of its divisors is an integer number (3942768363480).

Almost surely, 2^{30220120031221} is an apocalyptic number.

It is an amenable number.

30220120031221 is a deficient number, since it is larger than the sum of its proper divisors (1322026876619).

30220120031221 is a wasteful number, since it uses less digits than its factorization.

30220120031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337858955.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30220120031221 its reverse (12213002102203), we get a palindrome (42433122133424).

The spelling of 30220120031221 in words is "thirty trillion, two hundred twenty billion, one hundred twenty million, thirty-one thousand, two hundred twenty-one".