4102202111243 has 4 divisors (see below), whose sum is σ = 4102327851048. Its totient is φ = 4102076371440.

The previous prime is 4102202111207. The next prime is 4102202111281. The reversal of 4102202111243 is 3421112022014.

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 4102202111243 - 2⁸ = 4102202110987 is a prime.

It is a super-2 number, since 2×4102202111243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4102202131243) 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 3 ways as a sum of consecutive naturals, for example, 62820953 + ... + 62886218.

It is an arithmetic number, because the mean of its divisors is an integer number (1025581962762).

Almost surely, 2^{4102202111243} is an apocalyptic number.

4102202111243 is a deficient number, since it is larger than the sum of its proper divisors (125739805).

4102202111243 is a wasteful number, since it uses less digits than its factorization.

4102202111243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125739804.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4102202111243 its reverse (3421112022014), we get a palindrome (7523314133257).

The spelling of 4102202111243 in words is "four trillion, one hundred two billion, two hundred two million, one hundred eleven thousand, two hundred forty-three".