201211021202198 has 16 divisors (see below), whose sum is σ = 344933361175200. Its totient is φ = 86233249308096.

The previous prime is 201211021202197. The next prime is 201211021202299. The reversal of 201211021202198 is 891202120112102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211021202197) 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, 51152228 + ... + 54945176.

It is an arithmetic number, because the mean of its divisors is an integer number (21558335073450).

Almost surely, 2^{201211021202198} is an apocalyptic number.

201211021202198 is a deficient number, since it is larger than the sum of its proper divisors (143722339973002).

201211021202198 is a wasteful number, since it uses less digits than its factorization.

201211021202198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582151.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 201211021202198 in words is "two hundred one trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, one hundred ninety-eight".