100420446229 has 2 divisors, whose sum is σ = 100420446230. Its totient is φ = 100420446228.

The previous prime is 100420446197. The next prime is 100420446263. The reversal of 100420446229 is 922644024001.

It is an a-pointer prime, because the next prime (100420446263) can be obtained adding 100420446229 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84389088004 + 16031358225 = 290498^2 + 126615^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420446229 - 2⁵ = 100420446197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100420446194 and 100420446203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100420446829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210223114 + 50210223115.

It is an arithmetic number, because the mean of its divisors is an integer number (50210223115).

Almost surely, 2^100420446229 is an apocalyptic number.

It is an amenable number.

100420446229 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420446229 is an equidigital number, since it uses as much as digits as its factorization.

100420446229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 100420446229 in words is "one hundred billion, four hundred twenty million, four hundred forty-six thousand, two hundred twenty-nine".