2121100002130 has 32 divisors (see below), whose sum is σ = 3828529317888. Its totient is φ = 846096384000.

The previous prime is 2121100002101. The next prime is 2121100002167. The reversal of 2121100002130 is 312000011212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121100002130.

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, 27579730 + ... + 27656530.

It is an arithmetic number, because the mean of its divisors is an integer number (119641541184).

Almost surely, 2^{2121100002130} is an apocalyptic number.

2121100002130 is a deficient number, since it is larger than the sum of its proper divisors (1707429315758).

2121100002130 is a wasteful number, since it uses less digits than its factorization.

2121100002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84402.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2121100002130 its reverse (312000011212), we get a palindrome (2433100013342).

The spelling of 2121100002130 in words is "two trillion, one hundred twenty-one billion, one hundred million, two thousand, one hundred thirty".