2112021000202 has 32 divisors (see below), whose sum is σ = 3325646736720. Its totient is φ = 1004972167680.

The previous prime is 2112021000197. The next prime is 2112021000203. The reversal of 2112021000202 is 2020001202112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1565398843281 + 546622156921 = 1251159^2 + 739339^2 .

It is not an unprimeable number, because it can be changed into a prime (2112021000203) 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, 652677 + ... + 2156392.

Almost surely, 2^{2112021000202} is an apocalyptic number.

2112021000202 is a deficient number, since it is larger than the sum of its proper divisors (1213625736518).

2112021000202 is a wasteful number, since it uses less digits than its factorization.

2112021000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809338.

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

Adding to 2112021000202 its reverse (2020001202112), we get a palindrome (4132022202314).

The spelling of 2112021000202 in words is "two trillion, one hundred twelve billion, twenty-one million, two hundred two", and thus it is an aban number.