2121202 has 8 divisors (see below), whose sum is σ = 3213612. Its totient is φ = 1050000.

The previous prime is 2121199. The next prime is 2121239. The reversal of 2121202 is 2021212.

2121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 73441 = 1431^2 + 271^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5049 + ... + 5452.

2^2121202 is an apocalyptic number.

2121202 is a deficient number, since it is larger than the sum of its proper divisors (1092410).

2121202 is a wasteful number, since it uses less digits than its factorization.

2121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2121202 is about 1456.4346878594. The cubic root of 2121202 is about 128.4874399146.

Adding to 2121202 its sum of digits (10), we get a palindrome (2121212).

Adding to 2121202 its reverse (2021212), we get a palindrome (4142414).

The spelling of 2121202 in words is "two million, one hundred twenty-one thousand, two hundred two".