2101229 has 16 divisors (see below), whose sum is σ = 2446080. Its totient is φ = 1788480.

The previous prime is 2101223. The next prime is 2101237. The reversal of 2101229 is 9221012.

2101229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2101229 - 2⁴ = 2101213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11519 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^2101229 is an apocalyptic number.

It is an amenable number.

2101229 is a deficient number, since it is larger than the sum of its proper divisors (344851).

2101229 is a wasteful number, since it uses less digits than its factorization.

2101229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2101229 is about 1449.5616578814. The cubic root of 2101229 is about 128.0828930840.

The spelling of 2101229 in words is "two million, one hundred one thousand, two hundred twenty-nine".