30021010222221 has 24 divisors (see below), whose sum is σ = 44168939908704. Its totient is φ = 19643754195360.

The previous prime is 30021010222219. The next prime is 30021010222249. The reversal of 30021010222221 is 12222201012003.

30021010222221 is a `hidden beast` number, since 3 + 0 + 0 + 210 + 10 + 222 + 221 = 666.

It is not a de Polignac number, because 30021010222221 - 2¹ = 30021010222219 is a prime.

It is a super-2 number, since 2×30021010222221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30021010222194 and 30021010222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021017222221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58290811 + ... + 58803576.

It is an arithmetic number, because the mean of its divisors is an integer number (1840372496196).

Almost surely, 2^{30021010222221} is an apocalyptic number.

It is an amenable number.

30021010222221 is a deficient number, since it is larger than the sum of its proper divisors (14147929686483).

30021010222221 is a wasteful number, since it uses less digits than its factorization.

30021010222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117094921 (or 117094918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30021010222221 its reverse (12222201012003), we get a palindrome (42243211234224).

The spelling of 30021010222221 in words is "thirty trillion, twenty-one billion, ten million, two hundred twenty-two thousand, two hundred twenty-one".