2021211222203 has 8 divisors (see below), whose sum is σ = 2050042360320. Its totient is φ = 1992390177960.

The previous prime is 2021211222197. The next prime is 2021211222223. The reversal of 2021211222203 is 3022221121202.

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 2021211222203 - 2⁴ = 2021211222187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021211222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119673 + ... + 2921546.

It is an arithmetic number, because the mean of its divisors is an integer number (256255295040).

Almost surely, 2^{2021211222203} is an apocalyptic number.

2021211222203 is a deficient number, since it is larger than the sum of its proper divisors (28831138117).

2021211222203 is an equidigital number, since it uses as much as digits as its factorization.

2021211222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046937.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2021211222203 its reverse (3022221121202), we get a palindrome (5043432343405).

The spelling of 2021211222203 in words is "two trillion, twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred three".