211100122221202 has 32 divisors (see below), whose sum is σ = 339826828204800. Its totient is φ = 97995305211648.

The previous prime is 211100122221193. The next prime is 211100122221223. The reversal of 211100122221202 is 202122221001112.

It is a self number, because there is not a number n which added to its sum of digits gives 211100122221202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32455288 + ... + 38412835.

It is an arithmetic number, because the mean of its divisors is an integer number (10619588381400).

Almost surely, 2^{211100122221202} is an apocalyptic number.

211100122221202 is a deficient number, since it is larger than the sum of its proper divisors (128726705983598).

211100122221202 is a wasteful number, since it uses less digits than its factorization.

211100122221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70869330.

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

Adding to 211100122221202 its reverse (202122221001112), we get a palindrome (413222343222314).

The spelling of 211100122221202 in words is "two hundred eleven trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred two".