212111013102 has 16 divisors (see below), whose sum is σ = 424227065472. Its totient is φ = 70702831160.

The previous prime is 212111013083. The next prime is 212111013151. The reversal of 212111013102 is 201310111212.

212111013102 is digitally balanced in base 3, 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, 547327 + ... + 850757.

It is an arithmetic number, because the mean of its divisors is an integer number (26514191592).

Almost surely, 2^212111013102 is an apocalyptic number.

212111013102 is an abundant number, since it is smaller than the sum of its proper divisors (212116052370).

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

212111013102 is a wasteful number, since it uses less digits than its factorization.

212111013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419943.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212111013102 its reverse (201310111212), we get a palindrome (413421124314).

The spelling of 212111013102 in words is "two hundred twelve billion, one hundred eleven million, thirteen thousand, one hundred two".