201122100202 has 8 divisors (see below), whose sum is σ = 301855250916. Its totient is φ = 100503683232.

The previous prime is 201122100181. The next prime is 201122100203. The reversal of 201122100202 is 202001221102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201106505601 + 15594601 = 448449^2 + 3949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201122100203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28679053 + ... + 28686064.

Almost surely, 2^201122100202 is an apocalyptic number.

201122100202 is a deficient number, since it is larger than the sum of its proper divisors (100733150714).

201122100202 is a wasteful number, since it uses less digits than its factorization.

201122100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57366872.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201122100202 its reverse (202001221102), we get a palindrome (403123321304).

The spelling of 201122100202 in words is "two hundred one billion, one hundred twenty-two million, one hundred thousand, two hundred two".