202111202003 has 6 divisors (see below), whose sum is σ = 207721302516. Its totient is φ = 196648735752.

The previous prime is 202111201889. The next prime is 202111202011. The reversal of 202111202003 is 300202111202.

It is a happy number.

202111202003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202111202003 - 2¹² = 202111197907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202111232003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73815725 + ... + 73818462.

It is an arithmetic number, because the mean of its divisors is an integer number (34620217086).

Almost surely, 2^202111202003 is an apocalyptic number.

202111202003 is a deficient number, since it is larger than the sum of its proper divisors (5610100513).

202111202003 is an equidigital number, since it uses as much as digits as its factorization.

202111202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147634261 (or 147634224 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 202111202003 its reverse (300202111202), we get a palindrome (502313313205).

The spelling of 202111202003 in words is "two hundred two billion, one hundred eleven million, two hundred two thousand, three".