211112201099953 has 2 divisors, whose sum is σ = 211112201099954. Its totient is φ = 211112201099952.

The previous prime is 211112201099951. The next prime is 211112201100049. The reversal of 211112201099953 is 359990102211112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210080906012224 + 1031295087729 = 14494168^2 + 1015527^2 .

It is a cyclic number.

It is not a de Polignac number, because 211112201099953 - 2¹ = 211112201099951 is a prime.

It is a super-2 number, since 2×211112201099953² (a number of 29 digits) contains 22 as substring.

Together with 211112201099951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211112201099951) 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, 105556100549976 + 105556100549977.

It is an arithmetic number, because the mean of its divisors is an integer number (105556100549977).

Almost surely, 2^{211112201099953} is an apocalyptic number.

It is an amenable number.

211112201099953 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112201099953 is an equidigital number, since it uses as much as digits as its factorization.

211112201099953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 211112201099953 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred one million, ninety-nine thousand, nine hundred fifty-three".