2153021201 has 2 divisors, whose sum is σ = 2153021202. Its totient is φ = 2153021200.

The previous prime is 2153021183. The next prime is 2153021203. The reversal of 2153021201 is 1021203512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1169571601 + 983449600 = 34199^2 + 31360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153021201 is a prime.

Together with 2153021203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153021201.

It is not a weakly prime, because it can be changed into another prime (2153021203) 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, 1076510600 + 1076510601.

It is an arithmetic number, because the mean of its divisors is an integer number (1076510601).

Almost surely, 2^2153021201 is an apocalyptic number.

It is an amenable number.

2153021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153021201 is an equidigital number, since it uses as much as digits as its factorization.

2153021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2153021201 is about 46400.6594888478. The cubic root of 2153021201 is about 1291.2671484168.

Adding to 2153021201 its reverse (1021203512), we get a palindrome (3174224713).

The spelling of 2153021201 in words is "two billion, one hundred fifty-three million, twenty-one thousand, two hundred one".