211210220102120 has 64 divisors (see below), whose sum is σ = 490555535040000. Its totient is φ = 81758333917440.

The previous prime is 211210220102113. The next prime is 211210220102227. The reversal of 211210220102120 is 21201022012112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290725967 + ... + 291451553.

It is an arithmetic number, because the mean of its divisors is an integer number (7664930235000).

Almost surely, 2^{211210220102120} is an apocalyptic number.

211210220102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211210220102120 is an abundant number, since it is smaller than the sum of its proper divisors (279345314937880).

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

211210220102120 is a wasteful number, since it uses less digits than its factorization.

211210220102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960378 (or 960374 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211210220102120 its reverse (21201022012112), we get a palindrome (232411242114232).

The spelling of 211210220102120 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty million, one hundred two thousand, one hundred twenty".