10221121012112 has 40 divisors (see below), whose sum is σ = 20681762603904. Its totient is φ = 4884264475904.

The previous prime is 10221121012093. The next prime is 10221121012127. The reversal of 10221121012112 is 21121012112201.

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 7 ways as a sum of consecutive naturals, for example, 11201708 + ... + 12079755.

Almost surely, 2^{10221121012112} is an apocalyptic number.

It is an amenable number.

10221121012112 is an abundant number, since it is smaller than the sum of its proper divisors (10460641591792).

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

10221121012112 is a wasteful number, since it uses less digits than its factorization.

10221121012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23282687 (or 23282681 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221121012112 its reverse (21121012112201), we get a palindrome (31342133124313).

The spelling of 10221121012112 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, twelve thousand, one hundred twelve".