30221221021211 has 32 divisors (see below), whose sum is σ = 34868069277696. Its totient is φ = 25925193360000.

The previous prime is 30221221021207. The next prime is 30221221021219. The reversal of 30221221021211 is 11212012212203.

It is not a de Polignac number, because 30221221021211 - 2² = 30221221021207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221221021219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4943366 + ... + 9212996.

It is an arithmetic number, because the mean of its divisors is an integer number (1089627164928).

Almost surely, 2^{30221221021211} is an apocalyptic number.

30221221021211 is a deficient number, since it is larger than the sum of its proper divisors (4646848256485).

30221221021211 is a wasteful number, since it uses less digits than its factorization.

30221221021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270043.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 30221221021211 its reverse (11212012212203), we get a palindrome (41433233233414).

The spelling of 30221221021211 in words is "thirty trillion, two hundred twenty-one billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".