201211021202196 has 96 divisors (see below), whose sum is σ = 495047074959360. Its totient is φ = 63431824063104.

The previous prime is 201211021202189. The next prime is 201211021202197. The reversal of 201211021202196 is 691202120112102.

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 31 ways as a sum of consecutive naturals, for example, 327540946 + ... + 328154678.

It is an arithmetic number, because the mean of its divisors is an integer number (5156740364160).

Almost surely, 2^{201211021202196} is an apocalyptic number.

It is an amenable number.

201211021202196 is an abundant number, since it is smaller than the sum of its proper divisors (293836053757164).

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

201211021202196 is a wasteful number, since it uses less digits than its factorization.

201211021202196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616213 (or 616211 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

Adding to 201211021202196 its reverse (691202120112102), we get a palindrome (892413141314298).

The spelling of 201211021202196 in words is "two hundred one trillion, two hundred eleven billion, twenty-one million, two hundred two thousand, one hundred ninety-six".