2101311001103 has 8 divisors (see below), whose sum is σ = 2188499012640. Its totient is φ = 2015722769760.

The previous prime is 2101311001061. The next prime is 2101311001151. The reversal of 2101311001103 is 3011001131012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2101311001103 - 2⁶ = 2101311001039 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 (2101311001003) 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, 399942368 + ... + 399947621.

It is an arithmetic number, because the mean of its divisors is an integer number (273562376580).

Almost surely, 2^{2101311001103} is an apocalyptic number.

2101311001103 is a deficient number, since it is larger than the sum of its proper divisors (87188011537).

2101311001103 is an equidigital number, since it uses as much as digits as its factorization.

2101311001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799890097.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 2101311001103 its reverse (3011001131012), we get a palindrome (5112312132115).

The spelling of 2101311001103 in words is "two trillion, one hundred one billion, three hundred eleven million, one thousand, one hundred three".