2021211020204 has 48 divisors (see below), whose sum is σ = 3566756745216. Its totient is φ = 1002180816000.

The previous prime is 2021211020203. The next prime is 2021211020243. The reversal of 2021211020204 is 4020201121202.

It is not an unprimeable number, because it can be changed into a prime (2021211020203) 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, 254204429 + ... + 254212379.

It is an arithmetic number, because the mean of its divisors is an integer number (74307432192).

Almost surely, 2^{2021211020204} is an apocalyptic number.

It is an amenable number.

2021211020204 is a deficient number, since it is larger than the sum of its proper divisors (1545545725012).

2021211020204 is a wasteful number, since it uses less digits than its factorization.

2021211020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021211020204 its reverse (4020201121202), we get a palindrome (6041412141406).

The spelling of 2021211020204 in words is "two trillion, twenty-one billion, two hundred eleven million, twenty thousand, two hundred four".