2102243020203 has 16 divisors (see below), whose sum is σ = 2806114631936. Its totient is φ = 1399933614240.

The previous prime is 2102243020133. The next prime is 2102243020237. The reversal of 2102243020203 is 3020203422012.

It is not a de Polignac number, because 2102243020203 - 2⁹ = 2102243019691 is a prime.

It is a super-2 number, since 2×2102243020203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102243020203.

It is not an unprimeable number, because it can be changed into a prime (2102243020903) 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, 52374900 + ... + 52415022.

It is an arithmetic number, because the mean of its divisors is an integer number (175382164496).

Almost surely, 2^{2102243020203} is an apocalyptic number.

2102243020203 is a deficient number, since it is larger than the sum of its proper divisors (703871611733).

2102243020203 is a wasteful number, since it uses less digits than its factorization.

2102243020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59154.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2102243020203 its reverse (3020203422012), we get a palindrome (5122446442215).

The spelling of 2102243020203 in words is "two trillion, one hundred two billion, two hundred forty-three million, twenty thousand, two hundred three".