2100020222149 has 2 divisors, whose sum is σ = 2100020222150. Its totient is φ = 2100020222148.

The previous prime is 2100020222101. The next prime is 2100020222177. The reversal of 2100020222149 is 9412220200012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1222753831524 + 877266390625 = 1105782^2 + 936625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100020222149 - 2³⁵ = 2065660483781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100020222749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050010111074 + 1050010111075.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010111075).

Almost surely, 2^{2100020222149} is an apocalyptic number.

It is an amenable number.

2100020222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100020222149 is an equidigital number, since it uses as much as digits as its factorization.

2100020222149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2100020222149 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-two thousand, one hundred forty-nine".