42421022115 has 16 divisors (see below), whose sum is σ = 67876512000. Its totient is φ = 22623586272.

The previous prime is 42421022099. The next prime is 42421022117. The reversal of 42421022115 is 51122012424.

It is not a de Polignac number, because 42421022115 - 2⁴ = 42421022099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42421022117) 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, 440706 + ... + 528264.

It is an arithmetic number, because the mean of its divisors is an integer number (4242282000).

Almost surely, 2^42421022115 is an apocalyptic number.

42421022115 is a deficient number, since it is larger than the sum of its proper divisors (25455489885).

42421022115 is a wasteful number, since it uses less digits than its factorization.

42421022115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119866.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 42421022115 its reverse (51122012424), we get a palindrome (93543034539).

The spelling of 42421022115 in words is "forty-two billion, four hundred twenty-one million, twenty-two thousand, one hundred fifteen".