11000212309 has 2 divisors, whose sum is σ = 11000212310. Its totient is φ = 11000212308.

The previous prime is 11000212261. The next prime is 11000212373. The reversal of 11000212309 is 90321200011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7227550225 + 3772662084 = 85015^2 + 61422^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000212309 - 2¹⁷ = 11000081237 is a prime.

It is a super-2 number, since 2×11000212309² (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 (11000212009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500106154 + 5500106155.

It is an arithmetic number, because the mean of its divisors is an integer number (5500106155).

Almost surely, 2^11000212309 is an apocalyptic number.

It is an amenable number.

11000212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000212309 is an equidigital number, since it uses as much as digits as its factorization.

11000212309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 11000212309 in words is "eleven billion, two hundred twelve thousand, three hundred nine".