1210010011181 has 2 divisors, whose sum is σ = 1210010011182. Its totient is φ = 1210010011180.

The previous prime is 1210010011129. The next prime is 1210010011207. The reversal of 1210010011181 is 1811100100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870319202281 + 339690808900 = 932909^2 + 582830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210010011181 - 2¹⁴ = 1210009994797 is a prime.

It is a super-2 number, since 2×1210010011181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210010014181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605005005590 + 605005005591.

It is an arithmetic number, because the mean of its divisors is an integer number (605005005591).

Almost surely, 2^{1210010011181} is an apocalyptic number.

It is an amenable number.

1210010011181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210010011181 is an equidigital number, since it uses as much as digits as its factorization.

1210010011181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

The spelling of 1210010011181 in words is "one trillion, two hundred ten billion, ten million, eleven thousand, one hundred eighty-one".