1010211212189 has 2 divisors, whose sum is σ = 1010211212190. Its totient is φ = 1010211212188.

The previous prime is 1010211212183. The next prime is 1010211212251. The reversal of 1010211212189 is 9812121120101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 834363499225 + 175847712964 = 913435^2 + 419342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010211212189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010211212183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505105606094 + 505105606095.

It is an arithmetic number, because the mean of its divisors is an integer number (505105606095).

Almost surely, 2^{1010211212189} is an apocalyptic number.

It is an amenable number.

1010211212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010211212189 is an equidigital number, since it uses as much as digits as its factorization.

1010211212189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 1010211212189 in words is "one trillion, ten billion, two hundred eleven million, two hundred twelve thousand, one hundred eighty-nine".