211201013 has 8 divisors (see below), whose sum is σ = 223767000. Its totient is φ = 198650880.

The previous prime is 211201007. The next prime is 211201031. The reversal of 211201013 is 310102112.

It can be written as a sum of positive squares in 4 ways, for example, as 15816529 + 195384484 = 3977^2 + 13978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211201013 - 2⁶ = 211200949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211200985 and 211201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201043) 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 in 7 ways as a sum of consecutive naturals, for example, 33863 + ... + 39611.

It is an arithmetic number, because the mean of its divisors is an integer number (27970875).

Almost surely, 2^211201013 is an apocalyptic number.

It is an amenable number.

211201013 is a deficient number, since it is larger than the sum of its proper divisors (12565987).

211201013 is a wasteful number, since it uses less digits than its factorization.

211201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211201013 is about 14532.7565520104. The cubic root of 211201013 is about 595.5231733012.

Adding to 211201013 its reverse (310102112), we get a palindrome (521303125).

The spelling of 211201013 in words is "two hundred eleven million, two hundred one thousand, thirteen".