201202112210122 has 4 divisors (see below), whose sum is σ = 301803168315186. Its totient is φ = 100601056105060.

The previous prime is 201202112210111. The next prime is 201202112210129. The reversal of 201202112210122 is 221012211202102.

201202112210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 117134320225321 + 84067791984801 = 10822861^2 + 9168849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201202112210122.

It is not an unprimeable number, because it can be changed into a prime (201202112210129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300528052529 + ... + 50300528052532.

Almost surely, 2^{201202112210122} is an apocalyptic number.

201202112210122 is a deficient number, since it is larger than the sum of its proper divisors (100601056105064).

201202112210122 is a wasteful number, since it uses less digits than its factorization.

201202112210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100601056105063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201202112210122 its reverse (221012211202102), we get a palindrome (422214323412224).

The spelling of 201202112210122 in words is "two hundred one trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-two".