1012101022109 has 2 divisors, whose sum is σ = 1012101022110. Its totient is φ = 1012101022108.

The previous prime is 1012101022087. The next prime is 1012101022129. The reversal of 1012101022109 is 9012201012101.

It is an a-pointer prime, because the next prime (1012101022129) can be obtained adding 1012101022109 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 822427706884 + 189673315225 = 906878^2 + 435515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012101022109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012101022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050511054 + 506050511055.

It is an arithmetic number, because the mean of its divisors is an integer number (506050511055).

Almost surely, 2^{1012101022109} is an apocalyptic number.

It is an amenable number.

1012101022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012101022109 is an equidigital number, since it uses as much as digits as its factorization.

1012101022109 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 1012101022109 in words is "one trillion, twelve billion, one hundred one million, twenty-two thousand, one hundred nine".