30022120321221 has 8 divisors (see below), whose sum is σ = 45747992870464. Its totient is φ = 17155497326400.

The previous prime is 30022120321181. The next prime is 30022120321229. The reversal of 30022120321221 is 12212302122003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30022120321221 - 2⁴¹ = 27823097065669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1429624777201 = 30022120321221 / (3 + 0 + 0 + 2 + 2 + 1 + 2 + 0 + 3 + 2 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022120321229) 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, 714812388580 + ... + 714812388621.

It is an arithmetic number, because the mean of its divisors is an integer number (5718499108808).

Almost surely, 2^{30022120321221} is an apocalyptic number.

It is an amenable number.

30022120321221 is a deficient number, since it is larger than the sum of its proper divisors (15725872549243).

30022120321221 is a wasteful number, since it uses less digits than its factorization.

30022120321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429624777211.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30022120321221 its reverse (12212302122003), we get a palindrome (42234422443224).

The spelling of 30022120321221 in words is "thirty trillion, twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, two hundred twenty-one".