70122011 has 2 divisors, whose sum is σ = 70122012. Its totient is φ = 70122010.

The previous prime is 70122007. The next prime is 70122043. The reversal of 70122011 is 11022107.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70122011 - 2² = 70122007 is a prime.

It is not a weakly prime, because it can be changed into another prime (70122061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35061005 + 35061006.

It is an arithmetic number, because the mean of its divisors is an integer number (35061006).

Almost surely, 2^70122011 is an apocalyptic number.

70122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

70122011 is an equidigital number, since it uses as much as digits as its factorization.

70122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 70122011 is about 8373.8886426797. Note that the first 3 decimals coincide. The cubic root of 70122011 is about 412.3678396331.

Adding to 70122011 its reverse (11022107), we get a palindrome (81144118).

The spelling of 70122011 in words is "seventy million, one hundred twenty-two thousand, eleven".