211201044413 has 4 divisors (see below), whose sum is σ = 211524476988. Its totient is φ = 210877611840.

The previous prime is 211201044401. The next prime is 211201044487. The reversal of 211201044413 is 314440102112.

211201044413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39761157604 + 171439886809 = 199402^2 + 414053^2 .

It is a cyclic number.

It is not a de Polignac number, because 211201044413 - 2¹⁸ = 211200782269 is a prime.

It is a super-2 number, since 2×211201044413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201049413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161715308 + ... + 161716613.

It is an arithmetic number, because the mean of its divisors is an integer number (52881119247).

Almost surely, 2^211201044413 is an apocalyptic number.

It is an amenable number.

211201044413 is a deficient number, since it is larger than the sum of its proper divisors (323432575).

211201044413 is an equidigital number, since it uses as much as digits as its factorization.

211201044413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323432574.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211201044413 its reverse (314440102112), we get a palindrome (525641146525).

The spelling of 211201044413 in words is "two hundred eleven billion, two hundred one million, forty-four thousand, four hundred thirteen".