202102220221103 has 4 divisors (see below), whose sum is σ = 213990586116480. Its totient is φ = 190213854325728.

The previous prime is 202102220221087. The next prime is 202102220221117. The reversal of 202102220221103 is 301122022201202.

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 202102220221103 - 2⁴ = 202102220221087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102220221163) 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, 5944182947663 + ... + 5944182947696.

It is an arithmetic number, because the mean of its divisors is an integer number (53497646529120).

Almost surely, 2^{202102220221103} is an apocalyptic number.

202102220221103 is a deficient number, since it is larger than the sum of its proper divisors (11888365895377).

202102220221103 is a wasteful number, since it uses less digits than its factorization.

202102220221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11888365895376.

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

Adding to 202102220221103 its reverse (301122022201202), we get a palindrome (503224242422305).

The spelling of 202102220221103 in words is "two hundred two trillion, one hundred two billion, two hundred twenty million, two hundred twenty-one thousand, one hundred three".