2121002212130 has 32 divisors (see below), whose sum is σ = 3845907235008. Its totient is φ = 842168404800.

The previous prime is 2121002212073. The next prime is 2121002212141. The reversal of 2121002212130 is 312122001212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121002212099 and 2121002212108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545765 + ... + 2130695.

It is an arithmetic number, because the mean of its divisors is an integer number (120184601094).

Almost surely, 2^{2121002212130} is an apocalyptic number.

2121002212130 is a deficient number, since it is larger than the sum of its proper divisors (1724905022878).

2121002212130 is a wasteful number, since it uses less digits than its factorization.

2121002212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585922.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121002212130 its reverse (312122001212), we get a palindrome (2433124213342).

The spelling of 2121002212130 in words is "two trillion, one hundred twenty-one billion, two million, two hundred twelve thousand, one hundred thirty".