2102102210120 has 32 divisors (see below), whose sum is σ = 5159705425920. Its totient is φ = 764400803520.

The previous prime is 2102102210101. The next prime is 2102102210129. The reversal of 2102102210120 is 210122012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102102210095 and 2102102210104.

It is not an unprimeable number, because it can be changed into a prime (2102102210129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388752072 + ... + 2388752951.

It is an arithmetic number, because the mean of its divisors is an integer number (161240794560).

Almost surely, 2^{2102102210120} is an apocalyptic number.

2102102210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102102210120 is an abundant number, since it is smaller than the sum of its proper divisors (3057603215800).

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

2102102210120 is a wasteful number, since it uses less digits than its factorization.

2102102210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777505045 (or 4777505041 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102102210120 its reverse (210122012012), we get a palindrome (2312224222132).

The spelling of 2102102210120 in words is "two trillion, one hundred two billion, one hundred two million, two hundred ten thousand, one hundred twenty".