4221100142 has 32 divisors (see below), whose sum is σ = 7418706624. Its totient is φ = 1763481600.

The previous prime is 4221100141. The next prime is 4221100157. The reversal of 4221100142 is 2410011224.

It is a self number, because there is not a number n which added to its sum of digits gives 4221100142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221100141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985718 + ... + 989990.

It is an arithmetic number, because the mean of its divisors is an integer number (231834582).

Almost surely, 2^4221100142 is an apocalyptic number.

4221100142 is a deficient number, since it is larger than the sum of its proper divisors (3197606482).

4221100142 is a wasteful number, since it uses less digits than its factorization.

4221100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4221100142 is about 64969.9941665381. The cubic root of 4221100142 is about 1616.1260049343.

Adding to 4221100142 its reverse (2410011224), we get a palindrome (6631111366).

The spelling of 4221100142 in words is "four billion, two hundred twenty-one million, one hundred thousand, one hundred forty-two".