30220100132221 has 16 divisors (see below), whose sum is σ = 31812594211440. Its totient is φ = 28669279518720.

The previous prime is 30220100132213. The next prime is 30220100132273. The reversal of 30220100132221 is 12223100102203.

It can be written as a sum of positive squares in 8 ways, for example, as 7198816329721 + 23021283802500 = 2683061^2 + 4798050^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220100132221 - 2³ = 30220100132213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220100135221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295116 + ... + 8443813.

It is an arithmetic number, because the mean of its divisors is an integer number (1988287138215).

Almost surely, 2^{30220100132221} is an apocalyptic number.

It is an amenable number.

30220100132221 is a deficient number, since it is larger than the sum of its proper divisors (1592494079219).

30220100132221 is a wasteful number, since it uses less digits than its factorization.

30220100132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740704.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30220100132221 its reverse (12223100102203), we get a palindrome (42443200234424).

The spelling of 30220100132221 in words is "thirty trillion, two hundred twenty billion, one hundred million, one hundred thirty-two thousand, two hundred twenty-one".