2101202993 has 2 divisors, whose sum is σ = 2101202994. Its totient is φ = 2101202992.

The previous prime is 2101202981. The next prime is 2101203031. The reversal of 2101202993 is 3992021012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1898083489 + 203119504 = 43567^2 + 14252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101202993 - 2¹⁴ = 2101186609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101202903) 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, 1050601496 + 1050601497.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601497).

Almost surely, 2^2101202993 is an apocalyptic number.

It is an amenable number.

2101202993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202993 is an equidigital number, since it uses as much as digits as its factorization.

2101202993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2101202993 is about 45838.8808000370. The cubic root of 2101202993 is about 1280.8236465271.

The spelling of 2101202993 in words is "two billion, one hundred one million, two hundred two thousand, nine hundred ninety-three".