201001210212202 has 4 divisors (see below), whose sum is σ = 301501815318306. Its totient is φ = 100500605106100.

The previous prime is 201001210212191. The next prime is 201001210212221. The reversal of 201001210212202 is 202212012100102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 172470987418041 + 28530222794161 = 13132821^2 + 5341369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250302553049 + ... + 50250302553052.

Almost surely, 2^{201001210212202} is an apocalyptic number.

201001210212202 is a deficient number, since it is larger than the sum of its proper divisors (100500605106104).

201001210212202 is a wasteful number, since it uses less digits than its factorization.

201001210212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500605106103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201001210212202 its reverse (202212012100102), we get a palindrome (403213222312304).

The spelling of 201001210212202 in words is "two hundred one trillion, one billion, two hundred ten million, two hundred twelve thousand, two hundred two".