42202121015 has 16 divisors (see below), whose sum is σ = 51257772000. Its totient is φ = 33352230912.

The previous prime is 42202120999. The next prime is 42202121047. The reversal of 42202121015 is 51012120224.

It is a cyclic number.

It is not a de Polignac number, because 42202121015 - 2⁴ = 42202120999 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 457511 + ... + 541959.

It is an arithmetic number, because the mean of its divisors is an integer number (3203610750).

Almost surely, 2^42202121015 is an apocalyptic number.

42202121015 is a deficient number, since it is larger than the sum of its proper divisors (9055650985).

42202121015 is a wasteful number, since it uses less digits than its factorization.

42202121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85666.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 42202121015 its reverse (51012120224), we get a palindrome (93214241239).

The spelling of 42202121015 in words is "forty-two billion, two hundred two million, one hundred twenty-one thousand, fifteen".