211102122111202 has 24 divisors (see below), whose sum is σ = 368353854593856. Its totient is φ = 90471799528488.

The previous prime is 211102122111161. The next prime is 211102122111241. The reversal of 211102122111202 is 202111221201112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211102122111202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10359963 + ... + 23011585.

It is an arithmetic number, because the mean of its divisors is an integer number (15348077274744).

Almost surely, 2^{211102122111202} is an apocalyptic number.

211102122111202 is a deficient number, since it is larger than the sum of its proper divisors (157251732482654).

211102122111202 is a wasteful number, since it uses less digits than its factorization.

211102122111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12821902 (or 12821895 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211102122111202 its reverse (202111221201112), we get a palindrome (413213343312314).

The spelling of 211102122111202 in words is "two hundred eleven trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".