10021001122212 has 48 divisors (see below), whose sum is σ = 23519341722240. Its totient is φ = 3320804809728.

The previous prime is 10021001122207. The next prime is 10021001122219. The reversal of 10021001122212 is 21222110012001.

It is a junction number, because it is equal to n+sod(n) for n = 10021001122191 and 10021001122200.

It is not an unprimeable number, because it can be changed into a prime (10021001122219) 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, 859848 + ... + 4558655.

It is an arithmetic number, because the mean of its divisors is an integer number (489986285880).

Almost surely, 2^{10021001122212} is an apocalyptic number.

10021001122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021001122212 is an abundant number, since it is smaller than the sum of its proper divisors (13498340600028).

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

10021001122212 is a wasteful number, since it uses less digits than its factorization.

10021001122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419412 (or 5419410 counting only the distinct ones).

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

Adding to 10021001122212 its reverse (21222110012001), we get a palindrome (31243111134213).

The spelling of 10021001122212 in words is "ten trillion, twenty-one billion, one million, one hundred twenty-two thousand, two hundred twelve".