1210120222110 has 32 divisors (see below), whose sum is σ = 2904872902560. Its totient is φ = 322633795968.

The previous prime is 1210120222081. The next prime is 1210120222111. The reversal of 1210120222110 is 112220210121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1210120222110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210120222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906445 + ... + 4204824.

It is an arithmetic number, because the mean of its divisors is an integer number (90777278205).

Almost surely, 2^{1210120222110} is an apocalyptic number.

1210120222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210120222110 is an abundant number, since it is smaller than the sum of its proper divisors (1694752680450).

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

1210120222110 is a wasteful number, since it uses less digits than its factorization.

1210120222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116252.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210120222110 its reverse (112220210121), we get a palindrome (1322340432231).

The spelling of 1210120222110 in words is "one trillion, two hundred ten billion, one hundred twenty million, two hundred twenty-two thousand, one hundred ten".