2102201120203 has 4 divisors (see below), whose sum is σ = 2103908839648. Its totient is φ = 2100493400760.

The previous prime is 2102201120189. The next prime is 2102201120207. The reversal of 2102201120203 is 3020211022012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102201120203 is a prime.

It is a super-2 number, since 2×2102201120203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102201120207) 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, 853857876 + ... + 853860337.

It is an arithmetic number, because the mean of its divisors is an integer number (525977209912).

Almost surely, 2^{2102201120203} is an apocalyptic number.

2102201120203 is a deficient number, since it is larger than the sum of its proper divisors (1707719445).

2102201120203 is a wasteful number, since it uses less digits than its factorization.

2102201120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707719444.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2102201120203 its reverse (3020211022012), we get a palindrome (5122412142215).

The spelling of 2102201120203 in words is "two trillion, one hundred two billion, two hundred one million, one hundred twenty thousand, two hundred three".