30211302312121 has 16 divisors (see below), whose sum is σ = 34785367263360. Its totient is φ = 25701845270400.

The previous prime is 30211302312071. The next prime is 30211302312127. The reversal of 30211302312121 is 12121320311203.

It is a cyclic number.

It is not a de Polignac number, because 30211302312121 - 2⁹ = 30211302311609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30211302312092 and 30211302312101.

It is not an unprimeable number, because it can be changed into a prime (30211302312127) 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, 2658046 + ... + 8215096.

It is an arithmetic number, because the mean of its divisors is an integer number (2174085453960).

Almost surely, 2^{30211302312121} is an apocalyptic number.

It is an amenable number.

30211302312121 is a deficient number, since it is larger than the sum of its proper divisors (4574064951239).

30211302312121 is a wasteful number, since it uses less digits than its factorization.

30211302312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562864.

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

Adding to 30211302312121 its reverse (12121320311203), we get a palindrome (42332622623324).

The spelling of 30211302312121 in words is "thirty trillion, two hundred eleven billion, three hundred two million, three hundred twelve thousand, one hundred twenty-one".