211156222102 has 16 divisors (see below), whose sum is σ = 374464236960. Its totient is φ = 87374988288.

The previous prime is 211156222027. The next prime is 211156222117. The reversal of 211156222102 is 201222651112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260044203 + ... + 260045014.

It is an arithmetic number, because the mean of its divisors is an integer number (23404014810).

Almost surely, 2^211156222102 is an apocalyptic number.

211156222102 is a deficient number, since it is larger than the sum of its proper divisors (163308014858).

211156222102 is a wasteful number, since it uses less digits than its factorization.

211156222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520089255.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 211156222102 its reverse (201222651112), we get a palindrome (412378873214).

The spelling of 211156222102 in words is "two hundred eleven billion, one hundred fifty-six million, two hundred twenty-two thousand, one hundred two".