2121200302143 has 32 divisors (see below), whose sum is σ = 3053206457280. Its totient is φ = 1302193382400.

The previous prime is 2121200302141. The next prime is 2121200302153. The reversal of 2121200302143 is 3412030021212.

It is not a de Polignac number, because 2121200302143 - 2¹ = 2121200302141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121200302141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45495043 + ... + 45541643.

It is an arithmetic number, because the mean of its divisors is an integer number (95412701790).

Almost surely, 2^{2121200302143} is an apocalyptic number.

2121200302143 is a deficient number, since it is larger than the sum of its proper divisors (932006155137).

2121200302143 is a wasteful number, since it uses less digits than its factorization.

2121200302143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49419.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121200302143 its reverse (3412030021212), we get a palindrome (5533230323355).

The spelling of 2121200302143 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred two thousand, one hundred forty-three".