211211322202 has 16 divisors (see below), whose sum is σ = 325638593280. Its totient is φ = 102687151392.

The previous prime is 211211322187. The next prime is 211211322209. The reversal of 211211322202 is 202223112112.

It is a super-2 number, since 2×211211322202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211211322202.

It is not an unprimeable number, because it can be changed into a prime (211211322209) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5487427 + ... + 5525782.

It is an arithmetic number, because the mean of its divisors is an integer number (20352412080).

Almost surely, 2^211211322202 is an apocalyptic number.

211211322202 is a deficient number, since it is larger than the sum of its proper divisors (114427271078).

211211322202 is a wasteful number, since it uses less digits than its factorization.

211211322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013477.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211211322202 its reverse (202223112112), we get a palindrome (413434434314).

The spelling of 211211322202 in words is "two hundred eleven billion, two hundred eleven million, three hundred twenty-two thousand, two hundred two".