211000221222102 has 80 divisors (see below), whose sum is σ = 509173499666832. Its totient is φ = 64922160156480.

The previous prime is 211000221222101. The next prime is 211000221222121. The reversal of 211000221222102 is 201222122000112.

It is a happy number.

211000221222102 is a `hidden beast` number, since 21 + 100 + 0 + 221 + 222 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000221222101) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 144717093 + ... + 146167839.

Almost surely, 2^{211000221222102} is an apocalyptic number.

211000221222102 is an abundant number, since it is smaller than the sum of its proper divisors (298173278444730).

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

211000221222102 is a wasteful number, since it uses less digits than its factorization.

211000221222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519835 (or 1519826 counting only the distinct ones).

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

Adding to 211000221222102 its reverse (201222122000112), we get a palindrome (412222343222214).

The spelling of 211000221222102 in words is "two hundred eleven trillion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".