2153220203 has 2 divisors, whose sum is σ = 2153220204. Its totient is φ = 2153220202.

The previous prime is 2153220197. The next prime is 2153220229. The reversal of 2153220203 is 3020223512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153220203 - 2¹⁰ = 2153219179 is a prime.

It is a super-2 number, since 2×2153220203² = 9272714485214722418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2153220403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076610101 + 1076610102.

It is an arithmetic number, because the mean of its divisors is an integer number (1076610102).

Almost surely, 2^2153220203 is an apocalyptic number.

2153220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153220203 is an equidigital number, since it uses as much as digits as its factorization.

2153220203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2153220203 is about 46402.8038269241. The cubic root of 2153220203 is about 1291.3069307823.

Adding to 2153220203 its reverse (3020223512), we get a palindrome (5173443715).

The spelling of 2153220203 in words is "two billion, one hundred fifty-three million, two hundred twenty thousand, two hundred three".