211421024198 has 16 divisors (see below), whose sum is σ = 320637049344. Its totient is φ = 104547260160.

The previous prime is 211421024173. The next prime is 211421024207. The reversal of 211421024198 is 891420124112.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 1232363 + ... + 1393398.

It is an arithmetic number, because the mean of its divisors is an integer number (20039815584).

Almost surely, 2^211421024198 is an apocalyptic number.

211421024198 is a deficient number, since it is larger than the sum of its proper divisors (109216025146).

211421024198 is a wasteful number, since it uses less digits than its factorization.

211421024198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626207.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 211421024198 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-four thousand, one hundred ninety-eight".