111000102121211 has 2 divisors, whose sum is σ = 111000102121212. Its totient is φ = 111000102121210.

The previous prime is 111000102121157. The next prime is 111000102121219. The reversal of 111000102121211 is 112121201000111.

It is a strong prime.

It is an emirp because it is prime and its reverse (112121201000111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111000102121211 - 2¹⁸ = 111000101859067 is a prime.

It is a super-2 number, since 2×111000102121211² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111000102121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500051060605 + 55500051060606.

It is an arithmetic number, because the mean of its divisors is an integer number (55500051060606).

Almost surely, 2^{111000102121211} is an apocalyptic number.

111000102121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000102121211 is an equidigital number, since it uses as much as digits as its factorization.

111000102121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111000102121211 its reverse (112121201000111), we get a palindrome (223121303121322).

The spelling of 111000102121211 in words is "one hundred eleven trillion, one hundred two million, one hundred twenty-one thousand, two hundred eleven".