211111021102 has 8 divisors (see below), whose sum is σ = 316704394800. Its totient is φ = 105542889504.

The previous prime is 211111021021. The next prime is 211111021111. The reversal of 211111021102 is 201120111112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6289602 + ... + 6323077.

It is an arithmetic number, because the mean of its divisors is an integer number (39588049350).

Almost surely, 2^211111021102 is an apocalyptic number.

211111021102 is a deficient number, since it is larger than the sum of its proper divisors (105593373698).

211111021102 is a wasteful number, since it uses less digits than its factorization.

211111021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621050.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211111021102 its reverse (201120111112), we get a palindrome (412231132214).

The spelling of 211111021102 in words is "two hundred eleven billion, one hundred eleven million, twenty-one thousand, one hundred two".