11021200121189 has 2 divisors, whose sum is σ = 11021200121190. Its totient is φ = 11021200121188.

The previous prime is 11021200121167. The next prime is 11021200121201. The reversal of 11021200121189 is 98112100212011.

11021200121189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5840873904100 + 5180326217089 = 2416790^2 + 2276033^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021200121189 - 2¹² = 11021200117093 is a prime.

It is a super-2 number, since 2×11021200121189² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021200121089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510600060594 + 5510600060595.

It is an arithmetic number, because the mean of its divisors is an integer number (5510600060595).

Almost surely, 2^{11021200121189} is an apocalyptic number.

It is an amenable number.

11021200121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021200121189 is an equidigital number, since it uses as much as digits as its factorization.

11021200121189 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 11021200121189 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred twenty-one thousand, one hundred eighty-nine".