2021121000202 has 8 divisors (see below), whose sum is σ = 3036742740000. Its totient is φ = 1008873420204.

The previous prime is 2021121000193. The next prime is 2021121000203. The reversal of 2021121000202 is 2020001211202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2021121000203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 843538452 + ... + 843540847.

It is an arithmetic number, because the mean of its divisors is an integer number (379592842500).

Almost surely, 2^{2021121000202} is an apocalyptic number.

2021121000202 is a deficient number, since it is larger than the sum of its proper divisors (1015621739798).

2021121000202 is a wasteful number, since it uses less digits than its factorization.

2021121000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687079900.

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

Adding to 2021121000202 its reverse (2020001211202), we get a palindrome (4041122211404).

The spelling of 2021121000202 in words is "two trillion, twenty-one billion, one hundred twenty-one million, two hundred two", and thus it is an aban number.