1011007201181 has 2 divisors, whose sum is σ = 1011007201182. Its totient is φ = 1011007201180.

The previous prime is 1011007201163. The next prime is 1011007201219. The reversal of 1011007201181 is 1811027001101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743102617156 + 267904584025 = 862034^2 + 517595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011007201181 - 2¹⁰ = 1011007200157 is a prime.

It is a super-2 number, since 2×1011007201181² (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 (1011007201681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505503600590 + 505503600591.

It is an arithmetic number, because the mean of its divisors is an integer number (505503600591).

Almost surely, 2^{1011007201181} is an apocalyptic number.

It is an amenable number.

1011007201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011007201181 is an equidigital number, since it uses as much as digits as its factorization.

1011007201181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 23.

The spelling of 1011007201181 in words is "one trillion, eleven billion, seven million, two hundred one thousand, one hundred eighty-one".