211121111210194 has 16 divisors (see below), whose sum is σ = 328485347939232. Its totient is φ = 101693252672928.

The previous prime is 211121111210173. The next prime is 211121111210201. The reversal of 211121111210194 is 491012111121112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16814354284 + ... + 16814366839.

It is an arithmetic number, because the mean of its divisors is an integer number (20530334246202).

Almost surely, 2^{211121111210194} is an apocalyptic number.

211121111210194 is a deficient number, since it is larger than the sum of its proper divisors (117364236729038).

211121111210194 is a wasteful number, since it uses less digits than its factorization.

211121111210194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33628721241.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 211121111210194 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, one hundred ninety-four".