2113111000203 has 16 divisors (see below), whose sum is σ = 3256158205440. Its totient is φ = 1193924673216.

The previous prime is 2113111000183. The next prime is 2113111000229. The reversal of 2113111000203 is 3020001113112.

It is a happy number.

It is not a de Polignac number, because 2113111000203 - 2⁹ = 2113110999691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113111000243) 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, 565303375 + ... + 565307112.

It is an arithmetic number, because the mean of its divisors is an integer number (203509887840).

Almost surely, 2^{2113111000203} is an apocalyptic number.

2113111000203 is a deficient number, since it is larger than the sum of its proper divisors (1143047205237).

2113111000203 is a wasteful number, since it uses less digits than its factorization.

2113111000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130610586.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2113111000203 its reverse (3020001113112), we get a palindrome (5133112113315).

The spelling of 2113111000203 in words is "two trillion, one hundred thirteen billion, one hundred eleven million, two hundred three", and thus it is an aban number.