212101011120102 has 48 divisors (see below), whose sum is σ = 459400982215680. Its totient is φ = 65253614246496.

The previous prime is 212101011120043. The next prime is 212101011120143. The reversal of 212101011120102 is 201021110101212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5155702 + ... + 21231657.

It is an arithmetic number, because the mean of its divisors is an integer number (9570853796160).

Almost surely, 2^{212101011120102} is an apocalyptic number.

212101011120102 is an abundant number, since it is smaller than the sum of its proper divisors (247299971095578).

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

212101011120102 is a wasteful number, since it uses less digits than its factorization.

212101011120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26395317 (or 26395304 counting only the distinct ones).

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

Adding to 212101011120102 its reverse (201021110101212), we get a palindrome (413122121221314).

The spelling of 212101011120102 in words is "two hundred twelve trillion, one hundred one billion, eleven million, one hundred twenty thousand, one hundred two".