30211113101111 has 4 divisors (see below), whose sum is σ = 31801171685400. Its totient is φ = 28621054516824.

The previous prime is 30211113101077. The next prime is 30211113101129. The reversal of 30211113101111 is 11110131111203.

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-30211113101111 is a prime.

It is a super-2 number, since 2×30211113101111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30211113101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211113191111) 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, 795029292116 + ... + 795029292153.

It is an arithmetic number, because the mean of its divisors is an integer number (7950292921350).

Almost surely, 2^{30211113101111} is an apocalyptic number.

30211113101111 is a deficient number, since it is larger than the sum of its proper divisors (1590058584289).

30211113101111 is a wasteful number, since it uses less digits than its factorization.

30211113101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590058584288.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 30211113101111 its reverse (11110131111203), we get a palindrome (41321244212314).

The spelling of 30211113101111 in words is "thirty trillion, two hundred eleven billion, one hundred thirteen million, one hundred one thousand, one hundred eleven".