42212133331 has 2 divisors, whose sum is σ = 42212133332. Its totient is φ = 42212133330.

The previous prime is 42212133283. The next prime is 42212133343. The reversal of 42212133331 is 13333121224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42212133331 is a prime.

It is a super-2 number, since 2×42212133331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42212133296 and 42212133305.

It is not a weakly prime, because it can be changed into another prime (42212113331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106066665 + 21106066666.

It is an arithmetic number, because the mean of its divisors is an integer number (21106066666).

Almost surely, 2^42212133331 is an apocalyptic number.

42212133331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42212133331 is an equidigital number, since it uses as much as digits as its factorization.

42212133331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 42212133331 its reverse (13333121224), we get a palindrome (55545254555).

The spelling of 42212133331 in words is "forty-two billion, two hundred twelve million, one hundred thirty-three thousand, three hundred thirty-one".