30221121334442 has 8 divisors (see below), whose sum is σ = 45332545603332. Its totient is φ = 15110272800000.

The previous prime is 30221121334361. The next prime is 30221121334489. The reversal of 30221121334442 is 24443312112203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26374192207561 + 3846929126881 = 5135581^2 + 1961359^2 .

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

It is a super-2 number, since 2×30221121334442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221121334399 and 30221121334408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143802359 + ... + 144012362.

Almost surely, 2^{30221121334442} is an apocalyptic number.

30221121334442 is a deficient number, since it is larger than the sum of its proper divisors (15111424268890).

30221121334442 is a wasteful number, since it uses less digits than its factorization.

30221121334442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287867224.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 30221121334442 its reverse (24443312112203), we get a palindrome (54664433446645).

The spelling of 30221121334442 in words is "thirty trillion, two hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-four thousand, four hundred forty-two".