10002221122112 has 28 divisors (see below), whose sum is σ = 19849200167916. Its totient is φ = 5000847851520.

The previous prime is 10002221122111. The next prime is 10002221122133. The reversal of 10002221122112 is 21122112220001.

It can be written as a sum of positive squares in 2 ways, for example, as 4673621364736 + 5328599757376 = 2161856^2 + 2308376^2 .

It is not an unprimeable number, because it can be changed into a prime (10002221122111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874113 + ... + 5316480.

It is an arithmetic number, because the mean of its divisors is an integer number (708900005997).

Almost surely, 2^{10002221122112} is an apocalyptic number.

It is an amenable number.

10002221122112 is a deficient number, since it is larger than the sum of its proper divisors (9846979045804).

10002221122112 is an equidigital number, since it uses as much as digits as its factorization.

10002221122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209686 (or 8209676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10002221122112 its reverse (21122112220001), we get a palindrome (31124333342113).

The spelling of 10002221122112 in words is "ten trillion, two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".