30221221112 has 8 divisors (see below), whose sum is σ = 56664789600. Its totient is φ = 15110610552.

The previous prime is 30221221027. The next prime is 30221221139. The reversal of 30221221112 is 21112212203.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888826312 + ... + 1888826327.

It is an arithmetic number, because the mean of its divisors is an integer number (7083098700).

Almost surely, 2^30221221112 is an apocalyptic number.

It is an amenable number.

30221221112 is a deficient number, since it is larger than the sum of its proper divisors (26443568488).

30221221112 is a wasteful number, since it uses less digits than its factorization.

30221221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777652645 (or 3777652641 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30221221112 its reverse (21112212203), we get a palindrome (51333433315).

The spelling of 30221221112 in words is "thirty billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".