2143202102201 has 4 divisors (see below), whose sum is σ = 2165296969332. Its totient is φ = 2121107235072.

The previous prime is 2143202102177. The next prime is 2143202102203. The reversal of 2143202102201 is 1022012023412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 897074179600 + 1246127922601 = 947140^2 + 1116301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143202102201 - 2¹⁸ = 2143201840057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143202102203) 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, 11047433420 + ... + 11047433613.

It is an arithmetic number, because the mean of its divisors is an integer number (541324242333).

Almost surely, 2^{2143202102201} is an apocalyptic number.

It is an amenable number.

2143202102201 is a deficient number, since it is larger than the sum of its proper divisors (22094867131).

2143202102201 is an equidigital number, since it uses as much as digits as its factorization.

2143202102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22094867130.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2143202102201 its reverse (1022012023412), we get a palindrome (3165214125613).

The spelling of 2143202102201 in words is "two trillion, one hundred forty-three billion, two hundred two million, one hundred two thousand, two hundred one".