2021212002003 has 8 divisors (see below), whose sum is σ = 2696081201616. Its totient is φ = 1346908735200.

The previous prime is 2021212001981. The next prime is 2021212002097. The reversal of 2021212002003 is 3002002121202.

It is a happy number.

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

It is not a de Polignac number, because 2021212002003 - 2²² = 2021207807699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021212002703) 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, 141474868 + ... + 141489153.

It is an arithmetic number, because the mean of its divisors is an integer number (337010150202).

Almost surely, 2^{2021212002003} is an apocalyptic number.

2021212002003 is a deficient number, since it is larger than the sum of its proper divisors (674869199613).

2021212002003 is a wasteful number, since it uses less digits than its factorization.

2021212002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282966405.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021212002003 its reverse (3002002121202), we get a palindrome (5023214123205).

The spelling of 2021212002003 in words is "two trillion, twenty-one billion, two hundred twelve million, two thousand, three".