211102146401 has 4 divisors (see below), whose sum is σ = 211103137812. Its totient is φ = 211101154992.

The previous prime is 211102146397. The next prime is 211102146443. The reversal of 211102146401 is 104641201112.

211102146401 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29625294400 + 181476852001 = 172120^2 + 426001^2 .

It is a cyclic number.

It is not a de Polignac number, because 211102146401 - 2² = 211102146397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102146461) 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, 31250 + ... + 650523.

It is an arithmetic number, because the mean of its divisors is an integer number (52775784453).

Almost surely, 2^211102146401 is an apocalyptic number.

It is an amenable number.

211102146401 is a deficient number, since it is larger than the sum of its proper divisors (991411).

211102146401 is an equidigital number, since it uses as much as digits as its factorization.

211102146401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991410.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 211102146401 its reverse (104641201112), we get a palindrome (315743347513).

The spelling of 211102146401 in words is "two hundred eleven billion, one hundred two million, one hundred forty-six thousand, four hundred one".