11212101071 has 2 divisors, whose sum is σ = 11212101072. Its totient is φ = 11212101070.

The previous prime is 11212101067. The next prime is 11212101079. The reversal of 11212101071 is 17010121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212101071 - 2² = 11212101067 is a prime.

It is a super-2 number, since 2×11212101071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212101079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606050535 + 5606050536.

It is an arithmetic number, because the mean of its divisors is an integer number (5606050536).

Almost surely, 2^11212101071 is an apocalyptic number.

11212101071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212101071 is an equidigital number, since it uses as much as digits as its factorization.

11212101071 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 17.

Adding to 11212101071 its reverse (17010121211), we get a palindrome (28222222282).

The spelling of 11212101071 in words is "eleven billion, two hundred twelve million, one hundred one thousand, seventy-one".