1210221102112 has 24 divisors (see below), whose sum is σ = 2599224867792. Its totient is φ = 550100500800.

The previous prime is 1210221102037. The next prime is 1210221102127. The reversal of 1210221102112 is 2112011220121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719063714 + ... + 1719064417.

It is an arithmetic number, because the mean of its divisors is an integer number (108301036158).

Almost surely, 2^{1210221102112} is an apocalyptic number.

It is an amenable number.

1210221102112 is an abundant number, since it is smaller than the sum of its proper divisors (1389003765680).

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

1210221102112 is a wasteful number, since it uses less digits than its factorization.

1210221102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438128152 (or 3438128144 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210221102112 its reverse (2112011220121), we get a palindrome (3322232322233).

The spelling of 1210221102112 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, one hundred two thousand, one hundred twelve".