2102021241 has 8 divisors (see below), whose sum is σ = 2803294464. Its totient is φ = 1401047760.

The previous prime is 2102021227. The next prime is 2102021249. The reversal of 2102021241 is 1421202012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2102021241 - 2⁵ = 2102021209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102021241.

It is not an unprimeable number, because it can be changed into a prime (2102021249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58026 + ... + 87011.

It is an arithmetic number, because the mean of its divisors is an integer number (350411808).

Almost surely, 2^2102021241 is an apocalyptic number.

It is an amenable number.

2102021241 is a deficient number, since it is larger than the sum of its proper divisors (701273223).

2102021241 is a wasteful number, since it uses less digits than its factorization.

2102021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149871.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2102021241 is about 45847.8051928334. The cubic root of 2102021241 is about 1280.9898838966.

Adding to 2102021241 its reverse (1421202012), we get a palindrome (3523223253).

The spelling of 2102021241 in words is "two billion, one hundred two million, twenty-one thousand, two hundred forty-one".