2101011192 has 96 divisors (see below), whose sum is σ = 6600297600. Its totient is φ = 591319872.

The previous prime is 2101011179. The next prime is 2101011217. The reversal of 2101011192 is 2911101012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2659 + ... + 64877.

It is an arithmetic number, because the mean of its divisors is an integer number (68753100).

Almost surely, 2^2101011192 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 2101011192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3300148800).

2101011192 is an abundant number, since it is smaller than the sum of its proper divisors (4499286408).

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

2101011192 is a wasteful number, since it uses less digits than its factorization.

2101011192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62305 (or 62298 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 2101011192 is about 45836.7886309676. The cubic root of 2101011192 is about 1280.7846734987.

The spelling of 2101011192 in words is "two billion, one hundred one million, eleven thousand, one hundred ninety-two".