42133400221 has 8 divisors (see below), whose sum is σ = 45975484800. Its totient is φ = 38293278240.

The previous prime is 42133400209. The next prime is 42133400249. The reversal of 42133400221 is 12200433124.

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 42133400221 - 2⁷ = 42133400093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42133400192 and 42133400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133460221) 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, 445576 + ... + 531793.

It is an arithmetic number, because the mean of its divisors is an integer number (5746935600).

Almost surely, 2^42133400221 is an apocalyptic number.

It is an amenable number.

42133400221 is a deficient number, since it is larger than the sum of its proper divisors (3842084579).

42133400221 is a wasteful number, since it uses less digits than its factorization.

42133400221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981299.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42133400221 its reverse (12200433124), we get a palindrome (54333833345).

The spelling of 42133400221 in words is "forty-two billion, one hundred thirty-three million, four hundred thousand, two hundred twenty-one".