211121200011102 has 32 divisors (see below), whose sum is σ = 430320090373920. Its totient is φ = 69028135887360.

The previous prime is 211121200011037. The next prime is 211121200011187. The reversal of 211121200011102 is 201110002121112.

It is a happy number.

It is a super-2 number, since 2×211121200011102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 84298327 + ... + 86766642.

It is an arithmetic number, because the mean of its divisors is an integer number (13447502824185).

Almost surely, 2^{211121200011102} is an apocalyptic number.

211121200011102 is an abundant number, since it is smaller than the sum of its proper divisors (219198890362818).

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

211121200011102 is a wasteful number, since it uses less digits than its factorization.

211121200011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171068908.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211121200011102 its reverse (201110002121112), we get a palindrome (412231202132214).

The spelling of 211121200011102 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred million, eleven thousand, one hundred two".