2021212011203 has 16 divisors (see below), whose sum is σ = 2652581725440. Its totient is φ = 1492077218400.

The previous prime is 2021212011197. The next prime is 2021212011233. The reversal of 2021212011203 is 3021102121202.

It is a cyclic number.

It is not a de Polignac number, because 2021212011203 - 2¹⁸ = 2021211749059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021212011233) 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, 690775028 + ... + 690777953.

It is an arithmetic number, because the mean of its divisors is an integer number (165786357840).

Almost surely, 2^{2021212011203} is an apocalyptic number.

2021212011203 is a deficient number, since it is larger than the sum of its proper divisors (631369714237).

2021212011203 is a wasteful number, since it uses less digits than its factorization.

2021212011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381553018.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2021212011203 its reverse (3021102121202), we get a palindrome (5042314132405).

The spelling of 2021212011203 in words is "two trillion, twenty-one billion, two hundred twelve million, eleven thousand, two hundred three".