2121200303443 has 8 divisors (see below), whose sum is σ = 2287628297136. Its totient is φ = 1955237844000.

The previous prime is 2121200303423. The next prime is 2121200303461. The reversal of 2121200303443 is 3443030021212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121200303443 - 2⁹ = 2121200302931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121200303423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116374093 + ... + 116392318.

It is an arithmetic number, because the mean of its divisors is an integer number (285953537142).

Almost surely, 2^{2121200303443} is an apocalyptic number.

2121200303443 is a deficient number, since it is larger than the sum of its proper divisors (166427993693).

2121200303443 is a wasteful number, since it uses less digits than its factorization.

2121200303443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232767125.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2121200303443 its reverse (3443030021212), we get a palindrome (5564230324655).

The spelling of 2121200303443 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred three thousand, four hundred forty-three".