30211312310221 has 8 divisors (see below), whose sum is σ = 36344435862080. Its totient is φ = 24532494206688.

The previous prime is 30211312310213. The next prime is 30211312310239. The reversal of 30211312310221 is 12201321311203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30211312310221 - 2³ = 30211312310213 is a prime.

It is a super-2 number, since 2×30211312310221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211312310192 and 30211312310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211312310821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113576361936 + ... + 113576362201.

It is an arithmetic number, because the mean of its divisors is an integer number (4543054482760).

Almost surely, 2^{30211312310221} is an apocalyptic number.

It is an amenable number.

30211312310221 is a deficient number, since it is larger than the sum of its proper divisors (6133123551859).

30211312310221 is a wasteful number, since it uses less digits than its factorization.

30211312310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227152724163.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30211312310221 its reverse (12201321311203), we get a palindrome (42412633621424).

The spelling of 30211312310221 in words is "thirty trillion, two hundred eleven billion, three hundred twelve million, three hundred ten thousand, two hundred twenty-one".