2113435500 has 192 divisors, whose sum is σ = 7006970880. Its totient is φ = 489984000.

The previous prime is 2113435453. The next prime is 2113435501. The reversal of 2113435500 is 55343112.

It is a super-2 number, since 2×2113435500² = 8933219225320500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113435501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376716 + ... + 382284.

It is an arithmetic number, because the mean of its divisors is an integer number (36494640).

Almost surely, 2^2113435500 is an apocalyptic number.

2113435500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113435500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503485440).

2113435500 is an abundant number, since it is smaller than the sum of its proper divisors (4893535380).

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

2113435500 is a wasteful number, since it uses less digits than its factorization.

2113435500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2113435500 is about 45972.1165490561. The cubic root of 2113435500 is about 1283.3043489640.

Adding to 2113435500 its reverse (55343112), we get a palindrome (2168778612).

The spelling of 2113435500 in words is "two billion, one hundred thirteen million, four hundred thirty-five thousand, five hundred".