30213011111111 has 4 divisors (see below), whose sum is σ = 30213024246000. Its totient is φ = 30212997976224.

The previous prime is 30213011111077. The next prime is 30213011111141. The reversal of 30213011111111 is 11111111031203.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30213011111111 - 2³⁸ = 29938133204167 is a prime.

It is a Duffinian number.

30213011111111 is a modest number, since divided by 11111111 gives 302130 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 30213011111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213011111141) 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, 2107586 + ... + 8054063.

It is an arithmetic number, because the mean of its divisors is an integer number (7553256061500).

Almost surely, 2^{30213011111111} is an apocalyptic number.

30213011111111 is a deficient number, since it is larger than the sum of its proper divisors (13134889).

30213011111111 is a wasteful number, since it uses less digits than its factorization.

30213011111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134888.

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

Adding to 30213011111111 its reverse (11111111031203), we get a palindrome (41324122142314).

The spelling of 30213011111111 in words is "thirty trillion, two hundred thirteen billion, eleven million, one hundred eleven thousand, one hundred eleven".