2133111111111 has 24 divisors (see below), whose sum is σ = 3341976097824. Its totient is φ = 1305778199040.

The previous prime is 2133111111101. The next prime is 2133111111121. The reversal of 2133111111111 is 1111111113312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2133111111101) and next prime (2133111111121).

It is not a de Polignac number, because 2133111111111 - 2³⁴ = 2115931241927 is a prime.

2133111111111 is a modest number, since divided by 1111111 gives 213311 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133111111101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170016931 + ... + 170029476.

It is an arithmetic number, because the mean of its divisors is an integer number (139249004076).

Almost surely, 2^{2133111111111} is an apocalyptic number.

2133111111111 is a deficient number, since it is larger than the sum of its proper divisors (1208864986713).

2133111111111 is a wasteful number, since it uses less digits than its factorization.

2133111111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340046471 (or 340046468 counting only the distinct ones).

The product of its digits is 18, while the sum is 18.

Adding to 2133111111111 its reverse (1111111113312), we get a palindrome (3244222224423).

The spelling of 2133111111111 in words is "two trillion, one hundred thirty-three billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".