2121112200133 has 16 divisors (see below), whose sum is σ = 2215007907840. Its totient is φ = 2027356608816.

The previous prime is 2121112200073. The next prime is 2121112200167. The reversal of 2121112200133 is 3310022111212.

It is a cyclic number.

It is not a de Polignac number, because 2121112200133 - 2⁹ = 2121112199621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121112200133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121112200173) by changing a digit.

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, 304447816 + ... + 304454782.

It is an arithmetic number, because the mean of its divisors is an integer number (138437994240).

Almost surely, 2^{2121112200133} is an apocalyptic number.

2121112200133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2121112200133 is a deficient number, since it is larger than the sum of its proper divisors (93895707707).

2121112200133 is a wasteful number, since it uses less digits than its factorization.

2121112200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15096.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2121112200133 its reverse (3310022111212), we get a palindrome (5431134311345).

The spelling of 2121112200133 in words is "two trillion, one hundred twenty-one billion, one hundred twelve million, two hundred thousand, one hundred thirty-three".