211121110011102 has 16 divisors (see below), whose sum is σ = 433654171915152. Its totient is φ = 68471711354880.

The previous prime is 211121110011089. The next prime is 211121110011103. The reversal of 211121110011102 is 201110011121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121110011103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475497995299 + ... + 475497995742.

It is an arithmetic number, because the mean of its divisors is an integer number (27103385744697).

Almost surely, 2^{211121110011102} is an apocalyptic number.

211121110011102 is an abundant number, since it is smaller than the sum of its proper divisors (222533061904050).

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

211121110011102 is a wasteful number, since it uses less digits than its factorization.

211121110011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950995991083.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211121110011102 its reverse (201110011121112), we get a palindrome (412231121132214).

The spelling of 211121110011102 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, eleven thousand, one hundred two".