10002221121112 has 48 divisors (see below), whose sum is σ = 20617167740400. Its totient is φ = 4545783528000.

The previous prime is 10002221121047. The next prime is 10002221121157. The reversal of 10002221121112 is 21112112220001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5724237 + ... + 7264387.

It is an arithmetic number, because the mean of its divisors is an integer number (429524327925).

Almost surely, 2^{10002221121112} is an apocalyptic number.

It is an amenable number.

10002221121112 is an abundant number, since it is smaller than the sum of its proper divisors (10614946619288).

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

10002221121112 is a wasteful number, since it uses less digits than its factorization.

10002221121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546888 (or 1546873 counting only the distinct ones).

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

Adding to 10002221121112 its reverse (21112112220001), we get a palindrome (31114333341113).

The spelling of 10002221121112 in words is "ten trillion, two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".