211122198489792 has 112 divisors (see below), whose sum is σ = 565078364847360. Its totient is φ = 69561865669632.

The previous prime is 211122198489743. The next prime is 211122198489817. The reversal of 211122198489792 is 297984891221112.

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 15 ways as a sum of consecutive naturals, for example, 12652723 + ... + 24131634.

It is an arithmetic number, because the mean of its divisors is an integer number (5045342543280).

Almost surely, 2^{211122198489792} is an apocalyptic number.

It is an amenable number.

211122198489792 is an abundant number, since it is smaller than the sum of its proper divisors (353956166357568).

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

211122198489792 is a wasteful number, since it uses less digits than its factorization.

211122198489792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36784718 (or 36784708 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 66.

The spelling of 211122198489792 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-two".