2101299 has 4 divisors (see below), whose sum is σ = 2801736. Its totient is φ = 1400864.

The previous prime is 2101283. The next prime is 2101313. The reversal of 2101299 is 9921012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101299 - 2⁴ = 2101283 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2101219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350214 + ... + 350219.

It is an arithmetic number, because the mean of its divisors is an integer number (700434).

2^2101299 is an apocalyptic number.

2101299 is a deficient number, since it is larger than the sum of its proper divisors (700437).

2101299 is an equidigital number, since it uses as much as digits as its factorization.

2101299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700436.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2101299 is about 1449.5858029106. The cubic root of 2101299 is about 128.0843153791.

The spelling of 2101299 in words is "two million, one hundred one thousand, two hundred ninety-nine".