210001122196 has 12 divisors (see below), whose sum is σ = 389119726548. Its totient is φ = 98824057472.

The previous prime is 210001122181. The next prime is 210001122197. The reversal of 210001122196 is 691221100012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152540238096 + 57460884100 = 390564^2 + 239710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210001122196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001122197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544125831 + ... + 1544125966.

It is an arithmetic number, because the mean of its divisors is an integer number (32426643879).

Almost surely, 2^210001122196 is an apocalyptic number.

It is an amenable number.

210001122196 is a deficient number, since it is larger than the sum of its proper divisors (179118604352).

210001122196 is a wasteful number, since it uses less digits than its factorization.

210001122196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088251818 (or 3088251816 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 210001122196 in words is "two hundred ten billion, one million, one hundred twenty-two thousand, one hundred ninety-six".