212021100003 has 8 divisors (see below), whose sum is σ = 282698087616. Its totient is φ = 141345756200.

The previous prime is 212021099929. The next prime is 212021100059. The reversal of 212021100003 is 300001120212.

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 212021100003 - 2²² = 212016905699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021100103) 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, 69453 + ... + 654878.

It is an arithmetic number, because the mean of its divisors is an integer number (35337260952).

Almost surely, 2^212021100003 is an apocalyptic number.

212021100003 is a deficient number, since it is larger than the sum of its proper divisors (70676987613).

212021100003 is an equidigital number, since it uses as much as digits as its factorization.

212021100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821905.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212021100003 its reverse (300001120212), we get a palindrome (512022220215).

The spelling of 212021100003 in words is "two hundred twelve billion, twenty-one million, one hundred thousand, three".