2021034103211 has 4 divisors (see below), whose sum is σ = 2021048355000. Its totient is φ = 2021019851424.

The previous prime is 2021034103201. The next prime is 2021034103229. The reversal of 2021034103211 is 1123014301202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021034103211 - 2³⁰ = 2019960361387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021034103201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6911021 + ... + 7197518.

It is an arithmetic number, because the mean of its divisors is an integer number (505262088750).

Almost surely, 2^{2021034103211} is an apocalyptic number.

2021034103211 is a deficient number, since it is larger than the sum of its proper divisors (14251789).

2021034103211 is a wasteful number, since it uses less digits than its factorization.

2021034103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251788.

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

Adding to 2021034103211 its reverse (1123014301202), we get a palindrome (3144048404413).

The spelling of 2021034103211 in words is "two trillion, twenty-one billion, thirty-four million, one hundred three thousand, two hundred eleven".