211102020102222 has 48 divisors (see below), whose sum is σ = 484294057268112. Its totient is φ = 66227922328320.

The previous prime is 211102020102209. The next prime is 211102020102293. The reversal of 211102020102222 is 222201020201112.

It is a happy number.

211102020102222 is a `hidden beast` number, since 211 + 10 + 20 + 201 + 0 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211102020102195 and 211102020102204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209335572 + ... + 210341592.

It is an arithmetic number, because the mean of its divisors is an integer number (10089459526419).

Almost surely, 2^{211102020102222} is an apocalyptic number.

211102020102222 is an abundant number, since it is smaller than the sum of its proper divisors (273192037165890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211102020102222 is a wasteful number, since it uses less digits than its factorization.

211102020102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691793 (or 1691790 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211102020102222 its reverse (222201020201112), we get a palindrome (433303040303334).

The spelling of 211102020102222 in words is "two hundred eleven trillion, one hundred two billion, twenty million, one hundred two thousand, two hundred twenty-two".