202012110120203 has 4 divisors (see below), whose sum is σ = 205823659367808. Its totient is φ = 198200560872600.

The previous prime is 202012110120193. The next prime is 202012110120241. The reversal of 202012110120203 is 302021011210202.

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 202012110120203 - 2²⁴ = 202012093342987 is a prime.

It is a super-2 number, since 2×202012110120203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012110122203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905774623723 + ... + 1905774623828.

It is an arithmetic number, because the mean of its divisors is an integer number (51455914841952).

Almost surely, 2^{202012110120203} is an apocalyptic number.

202012110120203 is a deficient number, since it is larger than the sum of its proper divisors (3811549247605).

202012110120203 is an equidigital number, since it uses as much as digits as its factorization.

202012110120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811549247604.

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

Adding to 202012110120203 its reverse (302021011210202), we get a palindrome (504033121330405).

The spelling of 202012110120203 in words is "two hundred two trillion, twelve billion, one hundred ten million, one hundred twenty thousand, two hundred three".