201100211212103 has 4 divisors (see below), whose sum is σ = 229828812813840. Its totient is φ = 172371609610368.

The previous prime is 201100211212051. The next prime is 201100211212139. The reversal of 201100211212103 is 301212112001102.

It is a happy number.

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

It is not a de Polignac number, because 201100211212103 - 2⁶ = 201100211212039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100219212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14364300800858 + ... + 14364300800871.

It is an arithmetic number, because the mean of its divisors is an integer number (57457203203460).

Almost surely, 2^{201100211212103} is an apocalyptic number.

201100211212103 is a deficient number, since it is larger than the sum of its proper divisors (28728601601737).

201100211212103 is an equidigital number, since it uses as much as digits as its factorization.

201100211212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28728601601736.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201100211212103 its reverse (301212112001102), we get a palindrome (502312323213205).

The spelling of 201100211212103 in words is "two hundred one trillion, one hundred billion, two hundred eleven million, two hundred twelve thousand, one hundred three".