2120099893 has 2 divisors, whose sum is σ = 2120099894. Its totient is φ = 2120099892.

The previous prime is 2120099881. The next prime is 2120099899. The reversal of 2120099893 is 3989900212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141223524 + 978876369 = 33782^2 + 31287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120099893 - 2²¹ = 2118002741 is a prime.

It is a super-2 number, since 2×2120099893² = 8989647112597222898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120099899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060049946 + 1060049947.

It is an arithmetic number, because the mean of its divisors is an integer number (1060049947).

Almost surely, 2^2120099893 is an apocalyptic number.

It is an amenable number.

2120099893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120099893 is an equidigital number, since it uses as much as digits as its factorization.

2120099893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2120099893 is about 46044.5424887684. The cubic root of 2120099893 is about 1284.6518343940.

The spelling of 2120099893 in words is "two billion, one hundred twenty million, ninety-nine thousand, eight hundred ninety-three".