2121021202 has 8 divisors (see below), whose sum is σ = 3197520000. Its totient is φ = 1055181204.

The previous prime is 2121021197. The next prime is 2121021223. The reversal of 2121021202 is 2021201212.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664202 + ... + 2664997.

It is an arithmetic number, because the mean of its divisors is an integer number (399690000).

Almost surely, 2^2121021202 is an apocalyptic number.

2121021202 is a deficient number, since it is larger than the sum of its proper divisors (1076498798).

2121021202 is a wasteful number, since it uses less digits than its factorization.

2121021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329400.

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

The square root of 2121021202 is about 46054.5459428274. The cubic root of 2121021202 is about 1284.8378932207.

Adding to 2121021202 its reverse (2021201212), we get a palindrome (4142222414).

The spelling of 2121021202 in words is "two billion, one hundred twenty-one million, twenty-one thousand, two hundred two".