2101133473 has 2 divisors, whose sum is σ = 2101133474. Its totient is φ = 2101133472.

The previous prime is 2101133417. The next prime is 2101133521. The reversal of 2101133473 is 3743311012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1619901504 + 481231969 = 40248^2 + 21937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101133473 - 2²⁹ = 1564262561 is a prime.

It is a super-2 number, since 2×2101133473² = 8829523742722083458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101133873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050566736 + 1050566737.

It is an arithmetic number, because the mean of its divisors is an integer number (1050566737).

Almost surely, 2^2101133473 is an apocalyptic number.

It is an amenable number.

2101133473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101133473 is an equidigital number, since it uses as much as digits as its factorization.

2101133473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2101133473 is about 45838.1224855469. The cubic root of 2101133473 is about 1280.8095206759.

Adding to 2101133473 its reverse (3743311012), we get a palindrome (5844444485).

The spelling of 2101133473 in words is "two billion, one hundred one million, one hundred thirty-three thousand, four hundred seventy-three".