2111211135 has 80 divisors (see below), whose sum is σ = 4262049792. Its totient is φ = 990532800.

The previous prime is 2111211121. The next prime is 2111211139. The reversal of 2111211135 is 5311121112.

It is not a de Polignac number, because 2111211135 - 2⁵ = 2111211103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111211139) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 130462 + ... + 145748.

Almost surely, 2^2111211135 is an apocalyptic number.

2111211135 is an abundant number, since it is smaller than the sum of its proper divisors (2150838657).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111211135 is a wasteful number, since it uses less digits than its factorization.

2111211135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15346 (or 15337 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 2111211135 is about 45947.9176350790. The cubic root of 2111211135 is about 1282.8539702135.

Adding to 2111211135 its reverse (5311121112), we get a palindrome (7422332247).

It can be divided in two parts, 211 and 1211135, that added together give a triangular number (1211346 = T₁₅₅₆).

The spelling of 2111211135 in words is "two billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-five".