30221020322122 has 12 divisors (see below), whose sum is σ = 52732596684690. Its totient is φ = 12951865852296.

The previous prime is 30221020322047. The next prime is 30221020322149. The reversal of 30221020322122 is 22122302012203.

It can be written as a sum of positive squares in only one way, i.e., 22240174970601 + 7980845351521 = 4715949^2 + 2825039^2 .

It is a super-2 number, since 2×30221020322122² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221020322093 and 30221020322102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154188879097 + ... + 154188879292.

Almost surely, 2^{30221020322122} is an apocalyptic number.

30221020322122 is a deficient number, since it is larger than the sum of its proper divisors (22511576362568).

30221020322122 is a wasteful number, since it uses less digits than its factorization.

30221020322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308377758405 (or 308377758398 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30221020322122 its reverse (22122302012203), we get a palindrome (52343322334325).

The spelling of 30221020322122 in words is "thirty trillion, two hundred twenty-one billion, twenty million, three hundred twenty-two thousand, one hundred twenty-two".