10021120002122 has 16 divisors (see below), whose sum is σ = 15234531766344. Its totient is φ = 4943295840000.

The previous prime is 10021120002121. The next prime is 10021120002133. The reversal of 10021120002122 is 22120002112001.

It can be written as a sum of positive squares in 4 ways, for example, as 9831303811081 + 189816191041 = 3135491^2 + 435679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021120002097 and 10021120002106.

It is not an unprimeable number, because it can be changed into a prime (10021120002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88216379 + ... + 88329902.

Almost surely, 2^{10021120002122} is an apocalyptic number.

10021120002122 is a deficient number, since it is larger than the sum of its proper divisors (5213411764222).

10021120002122 is a wasteful number, since it uses less digits than its factorization.

10021120002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176546665.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021120002122 its reverse (22120002112001), we get a palindrome (32141122114123).

The spelling of 10021120002122 in words is "ten trillion, twenty-one billion, one hundred twenty million, two thousand, one hundred twenty-two".