211313055601 has 12 divisors (see below), whose sum is σ = 219570705552. Its totient is φ = 203318100216.

The previous prime is 211313055589. The next prime is 211313055617. The reversal of 211313055601 is 106550313112.

It is not a de Polignac number, because 211313055601 - 2⁹ = 211313055089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211313055601.

It is not an unprimeable number, because it can be changed into a prime (211313055101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728991 + ... + 976756.

It is an arithmetic number, because the mean of its divisors is an integer number (18297558796).

Almost surely, 2^211313055601 is an apocalyptic number.

It is an amenable number.

211313055601 is a deficient number, since it is larger than the sum of its proper divisors (8257649951).

211313055601 is an equidigital number, since it uses as much as digits as its factorization.

211313055601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705900 (or 1705857 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 211313055601 its reverse (106550313112), we get a palindrome (317863368713).

The spelling of 211313055601 in words is "two hundred eleven billion, three hundred thirteen million, fifty-five thousand, six hundred one".