42153140221 has 16 divisors (see below), whose sum is σ = 45089585280. Its totient is φ = 39321089280.

The previous prime is 42153140203. The next prime is 42153140233. The reversal of 42153140221 is 12204135124.

It is a cyclic number.

It is not a de Polignac number, because 42153140221 - 2⁵ = 42153140189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153140261) 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, 8386 + ... + 290476.

It is an arithmetic number, because the mean of its divisors is an integer number (2818099080).

Almost surely, 2^42153140221 is an apocalyptic number.

It is an amenable number.

42153140221 is a deficient number, since it is larger than the sum of its proper divisors (2936445059).

42153140221 is a wasteful number, since it uses less digits than its factorization.

42153140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282276.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 42153140221 its reverse (12204135124), we get a palindrome (54357275345).

The spelling of 42153140221 in words is "forty-two billion, one hundred fifty-three million, one hundred forty thousand, two hundred twenty-one".