2101023242 has 8 divisors (see below), whose sum is σ = 3151750176. Its totient is φ = 1050439852.

The previous prime is 2101023209. The next prime is 2101023247. The reversal of 2101023242 is 2423201012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2101023242.

It is not an unprimeable number, because it can be changed into a prime (2101023247) 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, 15323 + ... + 66609.

It is an arithmetic number, because the mean of its divisors is an integer number (393968772).

Almost surely, 2^2101023242 is an apocalyptic number.

2101023242 is a deficient number, since it is larger than the sum of its proper divisors (1050726934).

2101023242 is a wasteful number, since it uses less digits than its factorization.

2101023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71772.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101023242 is about 45836.9200754152. The cubic root of 2101023242 is about 1280.7871220698.

Adding to 2101023242 its reverse (2423201012), we get a palindrome (4524224254).

The spelling of 2101023242 in words is "two billion, one hundred one million, twenty-three thousand, two hundred forty-two".