2101098 has 16 divisors (see below), whose sum is σ = 4449600. Its totient is φ = 659136.

The previous prime is 2101093. The next prime is 2101111. The reversal of 2101098 is 8901012.

It is a super-2 number, since 2×2101098² = 8829225611208, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2101091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10198 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (278100).

2^2101098 is an apocalyptic number.

2101098 is an abundant number, since it is smaller than the sum of its proper divisors (2348502).

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

2101098 is a wasteful number, since it uses less digits than its factorization.

2101098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2101098 is about 1449.5164711034. The cubic root of 2101098 is about 128.0802312755.

The spelling of 2101098 in words is "two million, one hundred one thousand, ninety-eight".