30211111111111 has 8 divisors (see below), whose sum is σ = 34604923146624. Its totient is φ = 25836783830520.

The previous prime is 30211111111079. The next prime is 30211111111169. The reversal of 30211111111111 is 11111111111203.

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 30211111111111 - 2⁵ = 30211111111079 is a prime.

It is a super-2 number, since 2×30211111111111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

30211111111111 is a modest number, since divided by 11111111 gives 302111 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211111111171) 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, 4871185405 + ... + 4871191606.

It is an arithmetic number, because the mean of its divisors is an integer number (4325615393328).

Almost surely, 2^{30211111111111} is an apocalyptic number.

30211111111111 is a deficient number, since it is larger than the sum of its proper divisors (4393812035513).

30211111111111 is an equidigital number, since it uses as much as digits as its factorization.

30211111111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742377461.

The product of its (nonzero) digits is 6, while the sum is 16.

Adding to 30211111111111 its reverse (11111111111203), we get a palindrome (41322222222314).

The spelling of 30211111111111 in words is "thirty trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".