2121201203 has 8 divisors (see below), whose sum is σ = 2341918656. Its totient is φ = 1905130600.

The previous prime is 2121201193. The next prime is 2121201209. The reversal of 2121201203 is 3021021212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2121201203 - 2²⁴ = 2104423987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121201209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160753 + ... + 1162578.

It is an arithmetic number, because the mean of its divisors is an integer number (292739832).

Almost surely, 2^2121201203 is an apocalyptic number.

2121201203 is a deficient number, since it is larger than the sum of its proper divisors (220717453).

2121201203 is a wasteful number, since it uses less digits than its factorization.

2121201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323425.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2121201203 is about 46056.5001167045. The cubic root of 2121201203 is about 1284.8742382234.

Adding to 2121201203 its reverse (3021021212), we get a palindrome (5142222415).

Subtracting 2121201203 from its reverse (3021021212), we obtain a square (899820009 = 29997²).

The spelling of 2121201203 in words is "two billion, one hundred twenty-one million, two hundred one thousand, two hundred three".