211010001201103 has 4 divisors (see below), whose sum is σ = 227241539755048. Its totient is φ = 194778462647160.

The previous prime is 211010001201091. The next prime is 211010001201143. The reversal of 211010001201103 is 301102100010112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 211010001201103 - 2²¹ = 211009999103951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16231538553931 = 211010001201103 / (2 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 1 + 2 + 0 + 1 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010001201143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8115769276953 + ... + 8115769276978.

It is an arithmetic number, because the mean of its divisors is an integer number (56810384938762).

Almost surely, 2^{211010001201103} is an apocalyptic number.

211010001201103 is a deficient number, since it is larger than the sum of its proper divisors (16231538553945).

211010001201103 is a wasteful number, since it uses less digits than its factorization.

211010001201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231538553944.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 211010001201103 its reverse (301102100010112), we get a palindrome (512112101211215).

The spelling of 211010001201103 in words is "two hundred eleven trillion, ten billion, one million, two hundred one thousand, one hundred three".