2101841070 has 128 divisors (see below), whose sum is σ = 6123672576. Its totient is φ = 450717696.

The previous prime is 2101841059. The next prime is 2101841107. The reversal of 2101841070 is 701481012.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101841070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1416549 + ... + 1418031.

It is an arithmetic number, because the mean of its divisors is an integer number (47841192).

Almost surely, 2^2101841070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101841070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061836288).

2101841070 is an abundant number, since it is smaller than the sum of its proper divisors (4021831506).

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

2101841070 is a wasteful number, since it uses less digits than its factorization.

2101841070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 2101841070 is about 45845.8402693200. The cubic root of 2101841070 is about 1280.9532835968.

The spelling of 2101841070 in words is "two billion, one hundred one million, eight hundred forty-one thousand, seventy".