1020201110243 has 16 divisors (see below), whose sum is σ = 1181301455040. Its totient is φ = 862991179776.

The previous prime is 1020201110213. The next prime is 1020201110261. The reversal of 1020201110243 is 3420111020201.

It is a cyclic number.

It is not a de Polignac number, because 1020201110243 - 2¹² = 1020201106147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020201110213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888508 + ... + 2367881.

It is an arithmetic number, because the mean of its divisors is an integer number (73831340940).

Almost surely, 2^{1020201110243} is an apocalyptic number.

1020201110243 is a deficient number, since it is larger than the sum of its proper divisors (161100344797).

1020201110243 is an equidigital number, since it uses as much as digits as its factorization.

1020201110243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256846.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1020201110243 its reverse (3420111020201), we get a palindrome (4440312130444).

The spelling of 1020201110243 in words is "one trillion, twenty billion, two hundred one million, one hundred ten thousand, two hundred forty-three".