11111020212067 has 2 divisors, whose sum is σ = 11111020212068. Its totient is φ = 11111020212066.

The previous prime is 11111020212049. The next prime is 11111020212157. The reversal of 11111020212067 is 76021202011111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111020212067 - 2²⁷ = 11110885994339 is a prime.

It is a super-3 number, since 3×11111020212067³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11111020212037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555510106033 + 5555510106034.

It is an arithmetic number, because the mean of its divisors is an integer number (5555510106034).

Almost surely, 2^{11111020212067} is an apocalyptic number.

11111020212067 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111020212067 is an equidigital number, since it uses as much as digits as its factorization.

11111020212067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 11111020212067 its reverse (76021202011111), we get a palindrome (87132222223178).

The spelling of 11111020212067 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred twelve thousand, sixty-seven".