202021211012003 has 4 divisors (see below), whose sum is σ = 202052049243408. Its totient is φ = 201990372780600.

The previous prime is 202021211011901. The next prime is 202021211012011. The reversal of 202021211012003 is 300210112120202.

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 202021211012003 - 2²⁴ = 202021194234787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202021211012903) 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 3 ways as a sum of consecutive naturals, for example, 15419105876 + ... + 15419118977.

It is an arithmetic number, because the mean of its divisors is an integer number (50513012310852).

Almost surely, 2^{202021211012003} is an apocalyptic number.

202021211012003 is a deficient number, since it is larger than the sum of its proper divisors (30838231405).

202021211012003 is an equidigital number, since it uses as much as digits as its factorization.

202021211012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30838231404.

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

Adding to 202021211012003 its reverse (300210112120202), we get a palindrome (502231323132205).

The spelling of 202021211012003 in words is "two hundred two trillion, twenty-one billion, two hundred eleven million, twelve thousand, three".