202120102110203 has 8 divisors (see below), whose sum is σ = 202877535806976. Its totient is φ = 201362753730600.

The previous prime is 202120102110149. The next prime is 202120102110221. The reversal of 202120102110203 is 302011201021202.

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

It is a cyclic number.

It is not a de Polignac number, because 202120102110203 - 2⁶ = 202120102110139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120102110403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16580351 + ... + 26060472.

It is an arithmetic number, because the mean of its divisors is an integer number (25359691975872).

Almost surely, 2^{202120102110203} is an apocalyptic number.

202120102110203 is a deficient number, since it is larger than the sum of its proper divisors (757433696773).

202120102110203 is a wasteful number, since it uses less digits than its factorization.

202120102110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42658585.

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

Adding to 202120102110203 its reverse (302011201021202), we get a palindrome (504131303131405).

The spelling of 202120102110203 in words is "two hundred two trillion, one hundred twenty billion, one hundred two million, one hundred ten thousand, two hundred three".