30212211310321 has 4 divisors (see below), whose sum is σ = 30294533412352. Its totient is φ = 30129889208292.

The previous prime is 30212211310297. The next prime is 30212211310327. The reversal of 30212211310321 is 12301311221203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30212211310321 - 2²¹ = 30212209213169 is a prime.

It is a super-2 number, since 2×30212211310321² (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 = 30212211310292 and 30212211310301.

It is not an unprimeable number, because it can be changed into a prime (30212211310327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41161050465 + ... + 41161051198.

It is an arithmetic number, because the mean of its divisors is an integer number (7573633353088).

Almost surely, 2^{30212211310321} is an apocalyptic number.

It is an amenable number.

30212211310321 is a deficient number, since it is larger than the sum of its proper divisors (82322102031).

30212211310321 is an equidigital number, since it uses as much as digits as its factorization.

30212211310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82322102030.

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

Adding to 30212211310321 its reverse (12301311221203), we get a palindrome (42513522531524).

The spelling of 30212211310321 in words is "thirty trillion, two hundred twelve billion, two hundred eleven million, three hundred ten thousand, three hundred twenty-one".