42201244051 has 4 divisors (see below), whose sum is σ = 42202654792. Its totient is φ = 42199833312.

The previous prime is 42201244037. The next prime is 42201244067. The reversal of 42201244051 is 15044210224.

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

It is a cyclic number.

It is not a de Polignac number, because 42201244051 - 2¹⁷ = 42201112979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42201247051) 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, 659505 + ... + 720658.

It is an arithmetic number, because the mean of its divisors is an integer number (10550663698).

Almost surely, 2^42201244051 is an apocalyptic number.

42201244051 is a deficient number, since it is larger than the sum of its proper divisors (1410741).

42201244051 is a wasteful number, since it uses less digits than its factorization.

42201244051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410740.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 42201244051 its reverse (15044210224), we get a palindrome (57245454275).

The spelling of 42201244051 in words is "forty-two billion, two hundred one million, two hundred forty-four thousand, fifty-one".