2102001042 has 8 divisors (see below), whose sum is σ = 4204002096. Its totient is φ = 700667012.

The previous prime is 2102001029. The next prime is 2102001049. The reversal of 2102001042 is 2401002012.

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

2102001042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2102001049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175166748 + ... + 175166759.

It is an arithmetic number, because the mean of its divisors is an integer number (525500262).

Almost surely, 2^2102001042 is an apocalyptic number.

2102001042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102001042 is a wasteful number, since it uses less digits than its factorization.

2102001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350333512.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2102001042 is about 45847.5849091313. The cubic root of 2102001042 is about 1280.9857807352.

Adding to 2102001042 its reverse (2401002012), we get a palindrome (4503003054).

The spelling of 2102001042 in words is "two billion, one hundred two million, one thousand, forty-two".