211121100111102 has 16 divisors (see below), whose sum is σ = 422242351085952. Its totient is φ = 70373674893080.

The previous prime is 211121100111073. The next prime is 211121100111113. The reversal of 211121100111102 is 201111001121112.

211121100111102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 21052303 + ... + 29418389.

It is an arithmetic number, because the mean of its divisors is an integer number (26390146942872).

Almost surely, 2^{211121100111102} is an apocalyptic number.

211121100111102 is an abundant number, since it is smaller than the sum of its proper divisors (211121250974850).

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

211121100111102 is a wasteful number, since it uses less digits than its factorization.

211121100111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571983.

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

Adding to 211121100111102 its reverse (201111001121112), we get a palindrome (412232101232214).

The spelling of 211121100111102 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, one hundred eleven thousand, one hundred two".