2102110222120 has 64 divisors (see below), whose sum is σ = 4823250001920. Its totient is φ = 824359463424.

The previous prime is 2102110222103. The next prime is 2102110222133. The reversal of 2102110222120 is 212220112012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102110222094 and 2102110222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667752 + ... + 2643031.

It is an arithmetic number, because the mean of its divisors is an integer number (75363281280).

Almost surely, 2^{2102110222120} is an apocalyptic number.

2102110222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102110222120 is an abundant number, since it is smaller than the sum of its proper divisors (2721139779800).

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

2102110222120 is a wasteful number, since it uses less digits than its factorization.

2102110222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311034 (or 4311030 counting only the distinct ones).

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

Adding to 2102110222120 its reverse (212220112012), we get a palindrome (2314330334132).

The spelling of 2102110222120 in words is "two trillion, one hundred two billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty".