2211010102109 has 2 divisors, whose sum is σ = 2211010102110. Its totient is φ = 2211010102108.

The previous prime is 2211010102099. The next prime is 2211010102127. The reversal of 2211010102109 is 9012010101122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123154844100 + 1087855258009 = 1059790^2 + 1043003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211010102109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211010101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105505051054 + 1105505051055.

It is an arithmetic number, because the mean of its divisors is an integer number (1105505051055).

Almost surely, 2^{2211010102109} is an apocalyptic number.

It is an amenable number.

2211010102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211010102109 is an equidigital number, since it uses as much as digits as its factorization.

2211010102109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2211010102109 in words is "two trillion, two hundred eleven billion, ten million, one hundred two thousand, one hundred nine".