2021102242 has 8 divisors (see below), whose sum is σ = 3059986896. Its totient is φ = 1001106612.

The previous prime is 2021102221. The next prime is 2021102243. The reversal of 2021102242 is 2422011202.

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

It is not an unprimeable number, because it can be changed into a prime (2021102243) 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, 4721988 + ... + 4722415.

It is an arithmetic number, because the mean of its divisors is an integer number (382498362).

Almost surely, 2^2021102242 is an apocalyptic number.

2021102242 is a deficient number, since it is larger than the sum of its proper divisors (1038884654).

2021102242 is a wasteful number, since it uses less digits than its factorization.

2021102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444512.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2021102242 is about 44956.6707174808. The cubic root of 2021102242 is about 1264.3367490748.

Adding to 2021102242 its reverse (2422011202), we get a palindrome (4443113444).

The spelling of 2021102242 in words is "two billion, twenty-one million, one hundred two thousand, two hundred forty-two".