1011100211189 has 2 divisors, whose sum is σ = 1011100211190. Its totient is φ = 1011100211188.

The previous prime is 1011100211183. The next prime is 1011100211203. The reversal of 1011100211189 is 9811120011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806215431025 + 204884780164 = 897895^2 + 452642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011100211189 - 2²⁴ = 1011083433973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011100211183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550105594 + 505550105595.

It is an arithmetic number, because the mean of its divisors is an integer number (505550105595).

Almost surely, 2^{1011100211189} is an apocalyptic number.

It is an amenable number.

1011100211189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100211189 is an equidigital number, since it uses as much as digits as its factorization.

1011100211189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 1011100211189 in words is "one trillion, eleven billion, one hundred million, two hundred eleven thousand, one hundred eighty-nine".