142215312011 has 2 divisors, whose sum is σ = 142215312012. Its totient is φ = 142215312010.

The previous prime is 142215311971. The next prime is 142215312049. The reversal of 142215312011 is 110213512241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142215312011 - 2²² = 142211117707 is a prime.

It is a super-3 number, since 3×142215312011³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (142215314011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71107656005 + 71107656006.

It is an arithmetic number, because the mean of its divisors is an integer number (71107656006).

Almost surely, 2^142215312011 is an apocalyptic number.

142215312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

142215312011 is an equidigital number, since it uses as much as digits as its factorization.

142215312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 142215312011 its reverse (110213512241), we get a palindrome (252428824252).

The spelling of 142215312011 in words is "one hundred forty-two billion, two hundred fifteen million, three hundred twelve thousand, eleven".