211020221102 has 16 divisors (see below), whose sum is σ = 316843376640. Its totient is φ = 105405812568.

The previous prime is 211020221099. The next prime is 211020221123. The reversal of 211020221102 is 201122020112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10391603 + ... + 10411889.

It is an arithmetic number, because the mean of its divisors is an integer number (19802711040).

Almost surely, 2^211020221102 is an apocalyptic number.

211020221102 is a deficient number, since it is larger than the sum of its proper divisors (105823155538).

211020221102 is a wasteful number, since it uses less digits than its factorization.

211020221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25175.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020221102 its reverse (201122020112), we get a palindrome (412142241214).

The spelling of 211020221102 in words is "two hundred eleven billion, twenty million, two hundred twenty-one thousand, one hundred two".