11231102213 has 2 divisors, whose sum is σ = 11231102214. Its totient is φ = 11231102212.

The previous prime is 11231102119. The next prime is 11231102221. The reversal of 11231102213 is 31220113211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10436256964 + 794845249 = 102158^2 + 28193^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231102213 - 2¹⁴ = 11231085829 is a prime.

It is a super-2 number, since 2×11231102213² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231102191 and 11231102200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231102263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615551106 + 5615551107.

It is an arithmetic number, because the mean of its divisors is an integer number (5615551107).

Almost surely, 2^11231102213 is an apocalyptic number.

It is an amenable number.

11231102213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231102213 is an equidigital number, since it uses as much as digits as its factorization.

11231102213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11231102213 its reverse (31220113211), we get a palindrome (42451215424).

The spelling of 11231102213 in words is "eleven billion, two hundred thirty-one million, one hundred two thousand, two hundred thirteen".