2211012121189 has 2 divisors, whose sum is σ = 2211012121190. Its totient is φ = 2211012121188.

The previous prime is 2211012121169. The next prime is 2211012121217. The reversal of 2211012121189 is 9811212101122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406636324289 + 804375796900 = 1186017^2 + 896870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211012121189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211012121189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211012121169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105506060594 + 1105506060595.

It is an arithmetic number, because the mean of its divisors is an integer number (1105506060595).

Almost surely, 2^{2211012121189} is an apocalyptic number.

It is an amenable number.

2211012121189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211012121189 is an equidigital number, since it uses as much as digits as its factorization.

2211012121189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 2211012121189 in words is "two trillion, two hundred eleven billion, twelve million, one hundred twenty-one thousand, one hundred eighty-nine".