21202202002130 has 32 divisors (see below), whose sum is σ = 38948098351104. Its totient is φ = 8307155877696.

The previous prime is 21202202002123. The next prime is 21202202002151. The reversal of 21202202002130 is 3120020220212.

It is a junction number, because it is equal to n+sod(n) for n = 21202202002099 and 21202202002108.

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 15 ways as a sum of consecutive naturals, for example, 32630642 + ... + 33274061.

It is an arithmetic number, because the mean of its divisors is an integer number (1217128073472).

Almost surely, 2^{21202202002130} is an apocalyptic number.

21202202002130 is a deficient number, since it is larger than the sum of its proper divisors (17745896348974).

21202202002130 is a wasteful number, since it uses less digits than its factorization.

21202202002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65905370.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21202202002130 its reverse (3120020220212), we get a palindrome (24322222222342).

The spelling of 21202202002130 in words is "twenty-one trillion, two hundred two billion, two hundred two million, two thousand, one hundred thirty".