2021010200122 has 16 divisors (see below), whose sum is σ = 3048036719112. Its totient is φ = 1005001775680.

The previous prime is 2021010200039. The next prime is 2021010200141. The reversal of 2021010200122 is 2210020101202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2015238607281 + 5771592841 = 1419591^2 + 75971^2 .

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, 108672 + ... + 2013412.

Almost surely, 2^{2021010200122} is an apocalyptic number.

2021010200122 is a deficient number, since it is larger than the sum of its proper divisors (1027026518990).

2021010200122 is a wasteful number, since it uses less digits than its factorization.

2021010200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907633.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021010200122 its reverse (2210020101202), we get a palindrome (4231030301324).

The spelling of 2021010200122 in words is "two trillion, twenty-one billion, ten million, two hundred thousand, one hundred twenty-two".