191211110214 has 16 divisors (see below), whose sum is σ = 383910247728. Its totient is φ = 63489032192.

The previous prime is 191211110201. The next prime is 191211110227. The reversal of 191211110214 is 412011112191.

191211110214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (191211110201) and next prime (191211110227).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61999467 + ... + 62002550.

It is an arithmetic number, because the mean of its divisors is an integer number (23994390483).

Almost surely, 2^191211110214 is an apocalyptic number.

191211110214 is an abundant number, since it is smaller than the sum of its proper divisors (192699137514).

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

191211110214 is a wasteful number, since it uses less digits than its factorization.

191211110214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124002279.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 191211110214 in words is "one hundred ninety-one billion, two hundred eleven million, one hundred ten thousand, two hundred fourteen".