100122012269 has 2 divisors, whose sum is σ = 100122012270. Its totient is φ = 100122012268.

The previous prime is 100122012257. The next prime is 100122012301. The reversal of 100122012269 is 962210221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64192809769 + 35929202500 = 253363^2 + 189550^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122012269 - 2¹⁶ = 100121946733 is a prime.

It is a super-2 number, since 2×100122012269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100122012209) 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, 50061006134 + 50061006135.

It is an arithmetic number, because the mean of its divisors is an integer number (50061006135).

Almost surely, 2^100122012269 is an apocalyptic number.

It is an amenable number.

100122012269 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122012269 is an equidigital number, since it uses as much as digits as its factorization.

100122012269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 100122012269 in words is "one hundred billion, one hundred twenty-two million, twelve thousand, two hundred sixty-nine".