211001010893 has 2 divisors, whose sum is σ = 211001010894. Its totient is φ = 211001010892.

The previous prime is 211001010889. The next prime is 211001010937. The reversal of 211001010893 is 398010100112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210950059849 + 50951044 = 459293^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001010893 - 2² = 211001010889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001015893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500505446 + 105500505447.

It is an arithmetic number, because the mean of its divisors is an integer number (105500505447).

Almost surely, 2^211001010893 is an apocalyptic number.

It is an amenable number.

211001010893 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001010893 is an equidigital number, since it uses as much as digits as its factorization.

211001010893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 211001010893 in words is "two hundred eleven billion, one million, ten thousand, eight hundred ninety-three".