2121001010202 has 32 divisors (see below), whose sum is σ = 4536002182464. Its totient is φ = 658823840000.

The previous prime is 2121001010173. The next prime is 2121001010213. The reversal of 2121001010202 is 2020101001212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102930924 + ... + 102951527.

It is an arithmetic number, because the mean of its divisors is an integer number (141750068202).

Almost surely, 2^{2121001010202} is an apocalyptic number.

2121001010202 is an abundant number, since it is smaller than the sum of its proper divisors (2415001172262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121001010202 is a wasteful number, since it uses less digits than its factorization.

2121001010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205882574.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2121001010202 its reverse (2020101001212), we get a palindrome (4141102011414).

It can be divided in two parts, 2121001010 and 202, that added together give a palindrome (2121001212).

The spelling of 2121001010202 in words is "two trillion, one hundred twenty-one billion, one million, ten thousand, two hundred two".