212100000111102 has 32 divisors (see below), whose sum is σ = 426696380945280. Its totient is φ = 70284170932640.

The previous prime is 212100000111061. The next prime is 212100000111119. The reversal of 212100000111102 is 201111000001212.

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, 25671453 + ... + 32912360.

It is an arithmetic number, because the mean of its divisors is an integer number (13334261904540).

Almost surely, 2^{212100000111102} is an apocalyptic number.

212100000111102 is an abundant number, since it is smaller than the sum of its proper divisors (214596380834178).

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

212100000111102 is a wasteful number, since it uses less digits than its factorization.

212100000111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58587368.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212100000111102 its reverse (201111000001212), we get a palindrome (413211000112314).

The spelling of 212100000111102 in words is "two hundred twelve trillion, one hundred billion, one hundred eleven thousand, one hundred two".