10221122120002 has 16 divisors (see below), whose sum is σ = 15351761493432. Its totient is φ = 5103872652160.

The previous prime is 10221122119997. The next prime is 10221122120051. The reversal of 10221122120002 is 20002122112201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5109765309441 + 5111356810561 = 2260479^2 + 2260831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602352 + ... + 5780932.

Almost surely, 2^{10221122120002} is an apocalyptic number.

10221122120002 is a deficient number, since it is larger than the sum of its proper divisors (5130639373430).

10221122120002 is a wasteful number, since it uses less digits than its factorization.

10221122120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181653.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221122120002 its reverse (20002122112201), we get a palindrome (30223244232203).

The spelling of 10221122120002 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, two".