42021433211 has 8 divisors (see below), whose sum is σ = 42125778000. Its totient is φ = 41917169952.

The previous prime is 42021433189. The next prime is 42021433247. The reversal of 42021433211 is 11233412024.

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

It is a cyclic number.

It is not a de Polignac number, because 42021433211 - 2¹⁸ = 42021171067 is a prime.

It is a super-3 number, since 3×42021433211³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42021433291) 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, 1085261 + ... + 1123313.

It is an arithmetic number, because the mean of its divisors is an integer number (5265722250).

Almost surely, 2^42021433211 is an apocalyptic number.

42021433211 is a deficient number, since it is larger than the sum of its proper divisors (104344789).

42021433211 is a wasteful number, since it uses less digits than its factorization.

42021433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40765.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42021433211 its reverse (11233412024), we get a palindrome (53254845235).

The spelling of 42021433211 in words is "forty-two billion, twenty-one million, four hundred thirty-three thousand, two hundred eleven".