2102021303 has 2 divisors, whose sum is σ = 2102021304. Its totient is φ = 2102021302.

The previous prime is 2102021269. The next prime is 2102021329. The reversal of 2102021303 is 3031202012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102021303 - 2¹⁶ = 2101955767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102021353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051010651 + 1051010652.

It is an arithmetic number, because the mean of its divisors is an integer number (1051010652).

Almost surely, 2^2102021303 is an apocalyptic number.

2102021303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102021303 is an equidigital number, since it uses as much as digits as its factorization.

2102021303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2102021303 is about 45847.8058689835. The cubic root of 2102021303 is about 1280.9898964911.

Adding to 2102021303 its reverse (3031202012), we get a palindrome (5133223315).

The spelling of 2102021303 in words is "two billion, one hundred two million, twenty-one thousand, three hundred three".