111010120101211 has 2 divisors, whose sum is σ = 111010120101212. Its totient is φ = 111010120101210.

The previous prime is 111010120101131. The next prime is 111010120101253. The reversal of 111010120101211 is 112101021010111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111010120101211 - 2²³ = 111010111712603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111010120101191 and 111010120101200.

It is not a weakly prime, because it can be changed into another prime (111010126101211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505060050605 + 55505060050606.

It is an arithmetic number, because the mean of its divisors is an integer number (55505060050606).

Almost surely, 2^{111010120101211} is an apocalyptic number.

111010120101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010120101211 is an equidigital number, since it uses as much as digits as its factorization.

111010120101211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111010120101211 its reverse (112101021010111), we get a palindrome (223111141111322).

The spelling of 111010120101211 in words is "one hundred eleven trillion, ten billion, one hundred twenty million, one hundred one thousand, two hundred eleven".