42021311434203 has 8 divisors (see below), whose sum is σ = 56105483219968. Its totient is φ = 27975673635624.

The previous prime is 42021311434187. The next prime is 42021311434243. The reversal of 42021311434203 is 30243411312024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42021311434203 - 2⁴ = 42021311434187 is a prime.

It is a super-2 number, since 2×42021311434203² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42021311434243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9633494251 + ... + 9633498612.

It is an arithmetic number, because the mean of its divisors is an integer number (7013185402496).

Almost surely, 2^{42021311434203} is an apocalyptic number.

42021311434203 is a deficient number, since it is larger than the sum of its proper divisors (14084171785765).

42021311434203 is a wasteful number, since it uses less digits than its factorization.

42021311434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19266993593.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 42021311434203 its reverse (30243411312024), we get a palindrome (72264722746227).

The spelling of 42021311434203 in words is "forty-two trillion, twenty-one billion, three hundred eleven million, four hundred thirty-four thousand, two hundred three".