11212032109 has 2 divisors, whose sum is σ = 11212032110. Its totient is φ = 11212032108.

The previous prime is 11212032079. The next prime is 11212032127. The reversal of 11212032109 is 90123021211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11156006884 + 56025225 = 105622^2 + 7485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212032109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212032109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212032199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606016054 + 5606016055.

It is an arithmetic number, because the mean of its divisors is an integer number (5606016055).

Almost surely, 2^11212032109 is an apocalyptic number.

It is an amenable number.

11212032109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212032109 is an equidigital number, since it uses as much as digits as its factorization.

11212032109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 11212032109 in words is "eleven billion, two hundred twelve million, thirty-two thousand, one hundred nine".