11212102211087 has 2 divisors, whose sum is σ = 11212102211088. Its totient is φ = 11212102211086.

The previous prime is 11212102211027. The next prime is 11212102211131. The reversal of 11212102211087 is 78011220121211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212102211087 - 2⁸ = 11212102210831 is a prime.

It is a super-2 number, since 2×11212102211087² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212102211027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606051105543 + 5606051105544.

It is an arithmetic number, because the mean of its divisors is an integer number (5606051105544).

Almost surely, 2^{11212102211087} is an apocalyptic number.

11212102211087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212102211087 is an equidigital number, since it uses as much as digits as its factorization.

11212102211087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 29.

Adding to 11212102211087 its reverse (78011220121211), we get a palindrome (89223322332298).

The spelling of 11212102211087 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, eighty-seven".