10121221122 has 8 divisors (see below), whose sum is σ = 20242442256. Its totient is φ = 3373740372.

The previous prime is 10121221111. The next prime is 10121221147. The reversal of 10121221122 is 22112212101.

It is a sphenic number, since it is the product of 3 distinct primes.

10121221122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843435088 + ... + 843435099.

It is an arithmetic number, because the mean of its divisors is an integer number (2530305282).

Almost surely, 2^10121221122 is an apocalyptic number.

10121221122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10121221122 is a wasteful number, since it uses less digits than its factorization.

10121221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686870192.

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

Adding to 10121221122 its reverse (22112212101), we get a palindrome (32233433223).

The spelling of 10121221122 in words is "ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".