11013021109 has 2 divisors, whose sum is σ = 11013021110. Its totient is φ = 11013021108.

The previous prime is 11013021031. The next prime is 11013021163. The reversal of 11013021109 is 90112031011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10075742884 + 937278225 = 100378^2 + 30615^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013021109 - 2¹⁵ = 11012988341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013021709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506510554 + 5506510555.

It is an arithmetic number, because the mean of its divisors is an integer number (5506510555).

Almost surely, 2^11013021109 is an apocalyptic number.

It is an amenable number.

11013021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013021109 is an equidigital number, since it uses as much as digits as its factorization.

11013021109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 11013021109 in words is "eleven billion, thirteen million, twenty-one thousand, one hundred nine".