2121020200130 has 32 divisors (see below), whose sum is σ = 4116947600304. Its totient is φ = 782111344896.

The previous prime is 2121020200121. The next prime is 2121020200153. The reversal of 2121020200130 is 310020201212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 82267433329 + 2038752766801 = 286823^2 + 1427849^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10678037 + ... + 10874856.

Almost surely, 2^{2121020200130} is an apocalyptic number.

2121020200130 is a deficient number, since it is larger than the sum of its proper divisors (1995927400174).

2121020200130 is a wasteful number, since it uses less digits than its factorization.

2121020200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21553670.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2121020200130 its reverse (310020201212), we get a palindrome (2431040401342).

The spelling of 2121020200130 in words is "two trillion, one hundred twenty-one billion, twenty million, two hundred thousand, one hundred thirty".