2021000220106 has 32 divisors (see below), whose sum is σ = 3515252727168. Its totient is φ = 853494485760.

The previous prime is 2021000220091. The next prime is 2021000220139. The reversal of 2021000220106 is 6010220001202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021000220106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208726 + ... + 2021278.

It is an arithmetic number, because the mean of its divisors is an integer number (109851647724).

Almost surely, 2^{2021000220106} is an apocalyptic number.

2021000220106 is a deficient number, since it is larger than the sum of its proper divisors (1494252507062).

2021000220106 is a wasteful number, since it uses less digits than its factorization.

2021000220106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813726.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2021000220106 its reverse (6010220001202), we get a palindrome (8031220221308).

The spelling of 2021000220106 in words is "two trillion, twenty-one billion, two hundred twenty thousand, one hundred six".