4221013142 has 4 divisors (see below), whose sum is σ = 6331519716. Its totient is φ = 2110506570.

The previous prime is 4221013129. The next prime is 4221013151. The reversal of 4221013142 is 2413101224.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1055253284 + ... + 1055253287.

It is an arithmetic number, because the mean of its divisors is an integer number (1582879929).

Almost surely, 2^4221013142 is an apocalyptic number.

4221013142 is a deficient number, since it is larger than the sum of its proper divisors (2110506574).

4221013142 is a wasteful number, since it uses less digits than its factorization.

4221013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110506573.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4221013142 is about 64969.3246232405. The cubic root of 4221013142 is about 1616.1149016734.

Adding to 4221013142 its reverse (2413101224), we get a palindrome (6634114366).

The spelling of 4221013142 in words is "four billion, two hundred twenty-one million, thirteen thousand, one hundred forty-two".