1210120102220 has 12 divisors (see below), whose sum is σ = 2541252214704. Its totient is φ = 484048040880.

The previous prime is 1210120102133. The next prime is 1210120102291. The reversal of 1210120102220 is 222010210121.

It is a junction number, because it is equal to n+sod(n) for n = 1210120102195 and 1210120102204.

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 3 ways as a sum of consecutive naturals, for example, 30253002536 + ... + 30253002575.

It is an arithmetic number, because the mean of its divisors is an integer number (211771017892).

Almost surely, 2^{1210120102220} is an apocalyptic number.

1210120102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210120102220 is an abundant number, since it is smaller than the sum of its proper divisors (1331132112484).

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

1210120102220 is a wasteful number, since it uses less digits than its factorization.

1210120102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60506005120 (or 60506005118 counting only the distinct ones).

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

Adding to 1210120102220 its reverse (222010210121), we get a palindrome (1432130312341).

The spelling of 1210120102220 in words is "one trillion, two hundred ten billion, one hundred twenty million, one hundred two thousand, two hundred twenty".