100001122229 has 2 divisors, whose sum is σ = 100001122230. Its totient is φ = 100001122228.

The previous prime is 100001122213. The next prime is 100001122261. The reversal of 100001122229 is 922221100001.

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., 67896724900 + 32104397329 = 260570^2 + 179177^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001122229 - 2⁴ = 100001122213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100001122229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001125229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000561114 + 50000561115.

It is an arithmetic number, because the mean of its divisors is an integer number (50000561115).

Almost surely, 2^100001122229 is an apocalyptic number.

It is an amenable number.

100001122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001122229 is an equidigital number, since it uses as much as digits as its factorization.

100001122229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 100001122229 in words is "one hundred billion, one million, one hundred twenty-two thousand, two hundred twenty-nine".