42122021424243 has 32 divisors (see below), whose sum is σ = 58994937692160. Its totient is φ = 26699258789280.

The previous prime is 42122021424211. The next prime is 42122021424331. The reversal of 42122021424243 is 34242412022124.

It is not a de Polignac number, because 42122021424243 - 2⁵ = 42122021424211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42122026424243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6556755 + ... + 11279852.

It is an arithmetic number, because the mean of its divisors is an integer number (1843591802880).

Almost surely, 2^{42122021424243} is an apocalyptic number.

42122021424243 is a deficient number, since it is larger than the sum of its proper divisors (16872916267917).

42122021424243 is a wasteful number, since it uses less digits than its factorization.

42122021424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837087.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 42122021424243 its reverse (34242412022124), we get a palindrome (76364433446367).

The spelling of 42122021424243 in words is "forty-two trillion, one hundred twenty-two billion, twenty-one million, four hundred twenty-four thousand, two hundred forty-three".