212220101020102 has 48 divisors (see below), whose sum is σ = 398856953183040. Its totient is φ = 84160725464592.

The previous prime is 212220101020069. The next prime is 212220101020117. The reversal of 212220101020102 is 201020101022212.

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, 1325202208 + ... + 1325362339.

It is an arithmetic number, because the mean of its divisors is an integer number (8309519857980).

Almost surely, 2^{212220101020102} is an apocalyptic number.

212220101020102 is a deficient number, since it is larger than the sum of its proper divisors (186636852162938).

212220101020102 is a wasteful number, since it uses less digits than its factorization.

212220101020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650564625 (or 2650564618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212220101020102 its reverse (201020101022212), we get a palindrome (413240202042314).

The spelling of 212220101020102 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred one million, twenty thousand, one hundred two".