211102122202 has 4 divisors (see below), whose sum is σ = 316653183306. Its totient is φ = 105551061100.

The previous prime is 211102122191. The next prime is 211102122227. The reversal of 211102122202 is 202221201112.

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., 201233885281 + 9868236921 = 448591^2 + 99339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52775530549 + ... + 52775530552.

Almost surely, 2^211102122202 is an apocalyptic number.

211102122202 is a deficient number, since it is larger than the sum of its proper divisors (105551061104).

211102122202 is a wasteful number, since it uses less digits than its factorization.

211102122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105551061103.

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

Adding to 211102122202 its reverse (202221201112), we get a palindrome (413323323314).

The spelling of 211102122202 in words is "two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, two hundred two".