211000120993 has 2 divisors, whose sum is σ = 211000120994. Its totient is φ = 211000120992.

The previous prime is 211000120973. The next prime is 211000120999. The reversal of 211000120993 is 399021000112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131832169569 + 79167951424 = 363087^2 + 281368^2 .

It is a cyclic number.

It is not a de Polignac number, because 211000120993 - 2¹³ = 211000112801 is a prime.

It is not a weakly prime, because it can be changed into another prime (211000120999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500060496 + 105500060497.

It is an arithmetic number, because the mean of its divisors is an integer number (105500060497).

Almost surely, 2^211000120993 is an apocalyptic number.

It is an amenable number.

211000120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

211000120993 is an equidigital number, since it uses as much as digits as its factorization.

211000120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 211000120993 in words is "two hundred eleven billion, one hundred twenty thousand, nine hundred ninety-three".