211114332461 has 4 divisors (see below), whose sum is σ = 214006309692. Its totient is φ = 208222355232.

The previous prime is 211114332427. The next prime is 211114332493. The reversal of 211114332461 is 164233411112.

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 90424098436 + 120690234025 = 300706^2 + 347405^2 .

It is a cyclic number.

It is not a de Polignac number, because 211114332461 - 2³⁴ = 193934463277 is a prime.

It is a super-2 number, since 2×211114332461² (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 (211114332361) 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 3 ways as a sum of consecutive naturals, for example, 1445988506 + ... + 1445988651.

It is an arithmetic number, because the mean of its divisors is an integer number (53501577423).

Almost surely, 2^211114332461 is an apocalyptic number.

It is an amenable number.

211114332461 is a deficient number, since it is larger than the sum of its proper divisors (2891977231).

211114332461 is an equidigital number, since it uses as much as digits as its factorization.

211114332461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891977230.

The product of its digits is 3456, while the sum is 29.

Adding to 211114332461 its reverse (164233411112), we get a palindrome (375347743573).

The spelling of 211114332461 in words is "two hundred eleven billion, one hundred fourteen million, three hundred thirty-two thousand, four hundred sixty-one".