211042401 has 8 divisors (see below), whose sum is σ = 281459904. Its totient is φ = 140659920.

The previous prime is 211042397. The next prime is 211042427. The reversal of 211042401 is 104240112.

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

It is not a de Polignac number, because 211042401 - 2² = 211042397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211042001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13111 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (35182488).

Almost surely, 2^211042401 is an apocalyptic number.

It is an amenable number.

211042401 is a deficient number, since it is larger than the sum of its proper divisors (70417503).

211042401 is a wasteful number, since it uses less digits than its factorization.

211042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 211042401 is about 14527.2984756286. The cubic root of 211042401 is about 595.3740566282.

Adding to 211042401 its reverse (104240112), we get a palindrome (315282513).

The spelling of 211042401 in words is "two hundred eleven million, forty-two thousand, four hundred one".