30202101031221 has 24 divisors (see below), whose sum is σ = 50417632549440. Its totient is φ = 17064429471936.

The previous prime is 30202101031199. The next prime is 30202101031229. The reversal of 30202101031221 is 12213010120203.

30202101031221 is a `hidden beast` number, since 30 + 202 + 101 + 0 + 312 + 21 = 666.

It is not a de Polignac number, because 30202101031221 - 2¹⁰ = 30202101030197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30202101031194 and 30202101031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202101031229) 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, 2693243995 + ... + 2693255208.

It is an arithmetic number, because the mean of its divisors is an integer number (2100734689560).

Almost surely, 2^{30202101031221} is an apocalyptic number.

It is an amenable number.

30202101031221 is a deficient number, since it is larger than the sum of its proper divisors (20215531518219).

30202101031221 is a wasteful number, since it uses less digits than its factorization.

30202101031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386499305 (or 5386499302 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30202101031221 its reverse (12213010120203), we get a palindrome (42415111151424).

The spelling of 30202101031221 in words is "thirty trillion, two hundred two billion, one hundred one million, thirty-one thousand, two hundred twenty-one".