30102222031221 has 64 divisors (see below), whose sum is σ = 45877728153600. Its totient is φ = 17442103827456.

The previous prime is 30102222031169. The next prime is 30102222031223. The reversal of 30102222031221 is 12213022220103.

It is a de Polignac number, because none of the positive numbers 2^k-30102222031221 is a prime.

It is a super-2 number, since 2×30102222031221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102222031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 562852560 + ... + 562906038.

It is an arithmetic number, because the mean of its divisors is an integer number (716839502400).

Almost surely, 2^{30102222031221} is an apocalyptic number.

It is an amenable number.

30102222031221 is a deficient number, since it is larger than the sum of its proper divisors (15775506122379).

30102222031221 is a wasteful number, since it uses less digits than its factorization.

30102222031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70098.

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

Adding to 30102222031221 its reverse (12213022220103), we get a palindrome (42315244251324).

The spelling of 30102222031221 in words is "thirty trillion, one hundred two billion, two hundred twenty-two million, thirty-one thousand, two hundred twenty-one".