201102321443 has 4 divisors (see below), whose sum is σ = 201104991768. Its totient is φ = 201099651120.

The previous prime is 201102321421. The next prime is 201102321451. The reversal of 201102321443 is 344123201102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201102321443 - 2⁶ = 201102321379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102321743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218818 + ... + 1373943.

It is an arithmetic number, because the mean of its divisors is an integer number (50276247942).

Almost surely, 2^201102321443 is an apocalyptic number.

201102321443 is a deficient number, since it is larger than the sum of its proper divisors (2670325).

201102321443 is an equidigital number, since it uses as much as digits as its factorization.

201102321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670324.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201102321443 its reverse (344123201102), we get a palindrome (545225522545).

The spelling of 201102321443 in words is "two hundred one billion, one hundred two million, three hundred twenty-one thousand, four hundred forty-three".