10123011221189 has 2 divisors, whose sum is σ = 10123011221190. Its totient is φ = 10123011221188.

The previous prime is 10123011221159. The next prime is 10123011221209. The reversal of 10123011221189 is 98112211032101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7902941021089 + 2220070200100 = 2811217^2 + 1489990^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123011221189 - 2¹² = 10123011217093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123011221129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061505610594 + 5061505610595.

It is an arithmetic number, because the mean of its divisors is an integer number (5061505610595).

Almost surely, 2^{10123011221189} is an apocalyptic number.

It is an amenable number.

10123011221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123011221189 is an equidigital number, since it uses as much as digits as its factorization.

10123011221189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 32.

The spelling of 10123011221189 in words is "ten trillion, one hundred twenty-three billion, eleven million, two hundred twenty-one thousand, one hundred eighty-nine".