2221210100120 has 64 divisors (see below), whose sum is σ = 5578853322240. Its totient is φ = 788928739200.

The previous prime is 2221210100119. The next prime is 2221210100159. The reversal of 2221210100120 is 210010121222.

It is a junction number, because it is equal to n+sod(n) for n = 2221210100095 and 2221210100104.

It is a congruent number.

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, 58681136 + ... + 58718975.

It is an arithmetic number, because the mean of its divisors is an integer number (87169583160).

Almost surely, 2^{2221210100120} is an apocalyptic number.

2221210100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221210100120 is an abundant number, since it is smaller than the sum of its proper divisors (3357643222120).

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

2221210100120 is a wasteful number, since it uses less digits than its factorization.

2221210100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117400176 (or 117400172 counting only the distinct ones).

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

Adding to 2221210100120 its reverse (210010121222), we get a palindrome (2431220221342).

The spelling of 2221210100120 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, one hundred thousand, one hundred twenty".