30030112123211 has 4 divisors (see below), whose sum is σ = 30669050679072. Its totient is φ = 29391173567352.

The previous prime is 30030112123169. The next prime is 30030112123217. The reversal of 30030112123211 is 11232121103003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30030112123211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30030112123217) 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, 319469277860 + ... + 319469277953.

It is an arithmetic number, because the mean of its divisors is an integer number (7667262669768).

Almost surely, 2^{30030112123211} is an apocalyptic number.

30030112123211 is a deficient number, since it is larger than the sum of its proper divisors (638938555861).

30030112123211 is an equidigital number, since it uses as much as digits as its factorization.

30030112123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638938555860.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30030112123211 its reverse (11232121103003), we get a palindrome (41262233226214).

The spelling of 30030112123211 in words is "thirty trillion, thirty billion, one hundred twelve million, one hundred twenty-three thousand, two hundred eleven".