211122198489793 has 8 divisors (see below), whose sum is σ = 216829130342528. Its totient is φ = 205415315399664.

The previous prime is 211122198489743. The next prime is 211122198489817. The reversal of 211122198489793 is 397984891221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211122198489793 - 2⁹ = 211122198489281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122198489743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3328521 + ... + 20816422.

It is an arithmetic number, because the mean of its divisors is an integer number (27103641292816).

Almost surely, 2^{211122198489793} is an apocalyptic number.

It is an amenable number.

211122198489793 is a deficient number, since it is larger than the sum of its proper divisors (5706931852735).

211122198489793 is a wasteful number, since it uses less digits than its factorization.

211122198489793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24381303.

The product of its digits is 31352832, while the sum is 67.

The spelling of 211122198489793 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred ninety-eight million, four hundred eighty-nine thousand, seven hundred ninety-three".