211201423075 has 6 divisors (see below), whose sum is σ = 261889764644. Its totient is φ = 168961138440.

The previous prime is 211201423031. The next prime is 211201423079. The reversal of 211201423075 is 570324102112.

It is not a de Polignac number, because 211201423075 - 2¹³ = 211201414883 is a prime.

It is a super-2 number, since 2×211201423075² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201423079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4224028437 + ... + 4224028486.

Almost surely, 2^211201423075 is an apocalyptic number.

211201423075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

211201423075 is a deficient number, since it is larger than the sum of its proper divisors (50688341569).

211201423075 is an equidigital number, since it uses as much as digits as its factorization.

211201423075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448056933 (or 8448056928 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 211201423075 its reverse (570324102112), we get a palindrome (781525525187).

The spelling of 211201423075 in words is "two hundred eleven billion, two hundred one million, four hundred twenty-three thousand, seventy-five".