2101044 has 36 divisors (see below), whose sum is σ = 5392352. Its totient is φ = 636240.

The previous prime is 2101019. The next prime is 2101051. The reversal of 2101044 is 4401012.

2101044 = T₃₅ + T₃₆ + ... + T₂₃₂.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729 + ... + 2175.

2^2101044 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 2101044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696176).

2101044 is an abundant number, since it is smaller than the sum of its proper divisors (3291308).

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

2101044 is a wasteful number, since it uses less digits than its factorization.

2101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2101044 is about 1449.4978440826. The cubic root of 2101044 is about 128.0791340093.

Subtracting from 2101044 its product of nonzero digits (32), we obtain a palindrome (2101012).

Adding to 2101044 its reverse (4401012), we get a palindrome (6502056).

Subtracting 2101044 from its reverse (4401012), we obtain a cube (2299968 = 132³).

The spelling of 2101044 in words is "two million, one hundred one thousand, forty-four".