42333332121 has 6 divisors (see below), whose sum is σ = 61148146410. Its totient is φ = 28222221408.

The previous prime is 42333332101. The next prime is 42333332179. The reversal of 42333332121 is 12123333324.

42333332121 is a `hidden beast` number, since 4 + 2 + 3 + 333 + 321 + 2 + 1 = 666.

42333332121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22197722121 + 20135610000 = 148989^2 + 141900^2 .

It is not a de Polignac number, because 42333332121 - 2⁵ = 42333332089 is a prime.

It is a super-2 number, since 2×42333332121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42333332101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2351851776 + ... + 2351851793.

It is an arithmetic number, because the mean of its divisors is an integer number (10191357735).

Almost surely, 2^42333332121 is an apocalyptic number.

It is an amenable number.

42333332121 is a deficient number, since it is larger than the sum of its proper divisors (18814814289).

42333332121 is a wasteful number, since it uses less digits than its factorization.

42333332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703703575 (or 4703703572 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 42333332121 its reverse (12123333324), we get a palindrome (54456665445).

The spelling of 42333332121 in words is "forty-two billion, three hundred thirty-three million, three hundred thirty-two thousand, one hundred twenty-one".