202120103103 has 8 divisors (see below), whose sum is σ = 274578253488. Its totient is φ = 132204344064.

The previous prime is 202120103099. The next prime is 202120103131. The reversal of 202120103103 is 301301021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202120103103 - 2² = 202120103099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120103303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635597650 + ... + 635597967.

It is an arithmetic number, because the mean of its divisors is an integer number (34322281686).

Almost surely, 2^202120103103 is an apocalyptic number.

202120103103 is a deficient number, since it is larger than the sum of its proper divisors (72458150385).

202120103103 is a wasteful number, since it uses less digits than its factorization.

202120103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271195673.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 202120103103 its reverse (301301021202), we get a palindrome (503421124305).

The spelling of 202120103103 in words is "two hundred two billion, one hundred twenty million, one hundred three thousand, one hundred three".