7212011011 has 2 divisors, whose sum is σ = 7212011012. Its totient is φ = 7212011010.

The previous prime is 7212010973. The next prime is 7212011039. The reversal of 7212011011 is 1101102127.

7212011011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1101102127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7212011011 - 2⁹ = 7212010499 is a prime.

It is not a weakly prime, because it can be changed into another prime (7212012011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606005505 + 3606005506.

It is an arithmetic number, because the mean of its divisors is an integer number (3606005506).

Almost surely, 2^7212011011 is an apocalyptic number.

7212011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212011011 is an equidigital number, since it uses as much as digits as its factorization.

7212011011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 7212011011 is about 84923.5598111619. The cubic root of 7212011011 is about 1932.0519230238.

Adding to 7212011011 its reverse (1101102127), we get a palindrome (8313113138).

The spelling of 7212011011 in words is "seven billion, two hundred twelve million, eleven thousand, eleven".