2021010100202 has 16 divisors (see below), whose sum is σ = 3085722712800. Its totient is φ = 992467262160.

The previous prime is 2021010100171. The next prime is 2021010100247. The reversal of 2021010100202 is 2020010101202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7720577 + ... + 7978052.

It is an arithmetic number, because the mean of its divisors is an integer number (192857669550).

Almost surely, 2^{2021010100202} is an apocalyptic number.

2021010100202 is a deficient number, since it is larger than the sum of its proper divisors (1064712612598).

2021010100202 is a wasteful number, since it uses less digits than its factorization.

2021010100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699781.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021010100202 its reverse (2020010101202), we get a palindrome (4041020201404).

It can be divided in two parts, 2021010 and 100202, that added together give a palindrome (2121212).

The spelling of 2021010100202 in words is "two trillion, twenty-one billion, ten million, one hundred thousand, two hundred two".