2101511196 has 96 divisors (see below), whose sum is σ = 5754309120. Its totient is φ = 661909248.

The previous prime is 2101511189. The next prime is 2101511201. The reversal of 2101511196 is 6911151012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201076 + ... + 211268.

It is an arithmetic number, because the mean of its divisors is an integer number (59940720).

Almost surely, 2^2101511196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101511196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2877154560).

2101511196 is an abundant number, since it is smaller than the sum of its proper divisors (3652797924).

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

2101511196 is a wasteful number, since it uses less digits than its factorization.

2101511196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312 (or 10304 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 27.

The square root of 2101511196 is about 45842.2424844161. The cubic root of 2101511196 is about 1280.8862669073.

The spelling of 2101511196 in words is "two billion, one hundred one million, five hundred eleven thousand, one hundred ninety-six".