2101012042 has 8 divisors (see below), whose sum is σ = 3253180032. Its totient is φ = 1016618700.

The previous prime is 2101012019. The next prime is 2101012127. The reversal of 2101012042 is 2402101012.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16943584 + ... + 16943707.

It is an arithmetic number, because the mean of its divisors is an integer number (406647504).

Almost surely, 2^2101012042 is an apocalyptic number.

2101012042 is a deficient number, since it is larger than the sum of its proper divisors (1152167990).

2101012042 is a wasteful number, since it uses less digits than its factorization.

2101012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33887324.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2101012042 is about 45836.7979029949. The cubic root of 2101012042 is about 1280.7848462198.

Adding to 2101012042 its reverse (2402101012), we get a palindrome (4503113054).

The spelling of 2101012042 in words is "two billion, one hundred one million, twelve thousand, forty-two".