2021203132211 has 16 divisors (see below), whose sum is σ = 2094505771008. Its totient is φ = 1949158209600.

The previous prime is 2021203132189. The next prime is 2021203132309. The reversal of 2021203132211 is 1122313021202.

It is a cyclic number.

It is not a de Polignac number, because 2021203132211 - 2¹⁰ = 2021203131187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021203132411) 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, 694916 + ... + 2127278.

It is an arithmetic number, because the mean of its divisors is an integer number (130906610688).

Almost surely, 2^{2021203132211} is an apocalyptic number.

2021203132211 is a deficient number, since it is larger than the sum of its proper divisors (73302638797).

2021203132211 is a wasteful number, since it uses less digits than its factorization.

2021203132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432802.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2021203132211 its reverse (1122313021202), we get a palindrome (3143516153413).

The spelling of 2021203132211 in words is "two trillion, twenty-one billion, two hundred three million, one hundred thirty-two thousand, two hundred eleven".