212021103003 has 16 divisors (see below), whose sum is σ = 287558597760. Its totient is φ = 138916711296.

The previous prime is 212021102971. The next prime is 212021103029. The reversal of 212021103003 is 300301120212.

It is not a de Polignac number, because 212021103003 - 2⁵ = 212021102971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564051 + ... + 861507.

It is an arithmetic number, because the mean of its divisors is an integer number (17972412360).

Almost surely, 2^212021103003 is an apocalyptic number.

212021103003 is a deficient number, since it is larger than the sum of its proper divisors (75537494757).

212021103003 is a wasteful number, since it uses less digits than its factorization.

212021103003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301546.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212021103003 its reverse (300301120212), we get a palindrome (512322223215).

The spelling of 212021103003 in words is "two hundred twelve billion, twenty-one million, one hundred three thousand, three".