211111112133330 has 32 divisors (see below), whose sum is σ = 507662085009600. Its totient is φ = 56185694803392.

The previous prime is 211111112133307. The next prime is 211111112133367. The reversal of 211111112133330 is 33331211111112.

It is a self number, because there is not a number n which added to its sum of digits gives 211111112133330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6912594820 + ... + 6912625359.

It is an arithmetic number, because the mean of its divisors is an integer number (15864440156550).

Almost surely, 2^{211111112133330} is an apocalyptic number.

211111112133330 is an abundant number, since it is smaller than the sum of its proper divisors (296550972876270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211111112133330 is a wasteful number, since it uses less digits than its factorization.

211111112133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825220698.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 211111112133330 its reverse (33331211111112), we get a palindrome (244442323244442).

The spelling of 211111112133330 in words is "two hundred eleven trillion, one hundred eleven billion, one hundred twelve million, one hundred thirty-three thousand, three hundred thirty".