2111303231103 has 16 divisors (see below), whose sum is σ = 3071751970176. Its totient is φ = 1279258777440.

The previous prime is 2111303231101. The next prime is 2111303231159. The reversal of 2111303231103 is 3011323031112.

It is a happy number.

It is not a de Polignac number, because 2111303231103 - 2¹ = 2111303231101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111303231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111303231101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7839025 + ... + 8103882.

It is an arithmetic number, because the mean of its divisors is an integer number (191984498136).

Almost surely, 2^{2111303231103} is an apocalyptic number.

2111303231103 is a deficient number, since it is larger than the sum of its proper divisors (960448739073).

2111303231103 is a wasteful number, since it uses less digits than its factorization.

2111303231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15946934.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2111303231103 its reverse (3011323031112), we get a palindrome (5122626262215).

The spelling of 2111303231103 in words is "two trillion, one hundred eleven billion, three hundred three million, two hundred thirty-one thousand, one hundred three".