212101021003 has 8 divisors (see below), whose sum is σ = 212287046400. Its totient is φ = 211915079208.

The previous prime is 212101021001. The next prime is 212101021037. The reversal of 212101021003 is 300120101212.

212101021003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212101021003 - 2¹ = 212101021001 is a prime.

It is a super-2 number, since 2×212101021003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101021001) 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 7 ways as a sum of consecutive naturals, for example, 5726578 + ... + 5763496.

It is an arithmetic number, because the mean of its divisors is an integer number (26535880800).

Almost surely, 2^212101021003 is an apocalyptic number.

212101021003 is a deficient number, since it is larger than the sum of its proper divisors (186025397).

212101021003 is a wasteful number, since it uses less digits than its factorization.

212101021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41801.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212101021003 its reverse (300120101212), we get a palindrome (512221122215).

The spelling of 212101021003 in words is "two hundred twelve billion, one hundred one million, twenty-one thousand, three".