2111117502 has 16 divisors (see below), whose sum is σ = 4547022480. Its totient is φ = 649574592.

The previous prime is 2111117501. The next prime is 2111117521. The reversal of 2111117502 is 2057111112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111117501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13532727 + ... + 13532882.

It is an arithmetic number, because the mean of its divisors is an integer number (284188905).

Almost surely, 2^2111117502 is an apocalyptic number.

2111117502 is an abundant number, since it is smaller than the sum of its proper divisors (2435904978).

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

2111117502 is a wasteful number, since it uses less digits than its factorization.

2111117502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27065627.

The product of its (nonzero) digits is 140, while the sum is 21.

The square root of 2111117502 is about 45946.8987201530. The cubic root of 2111117502 is about 1282.8350049160.

Adding to 2111117502 its reverse (2057111112), we get a palindrome (4168228614).

The spelling of 2111117502 in words is "two billion, one hundred eleven million, one hundred seventeen thousand, five hundred two".