101225829109 has 2 divisors, whose sum is σ = 101225829110. Its totient is φ = 101225829108.

The previous prime is 101225829097. The next prime is 101225829151. The reversal of 101225829109 is 901928522101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77924722500 + 23301106609 = 279150^2 + 152647^2 .

It is a cyclic number.

It is not a de Polignac number, because 101225829109 - 2⁵ = 101225829077 is a prime.

It is a super-3 number, since 3×101225829109³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101225829179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50612914554 + 50612914555.

It is an arithmetic number, because the mean of its divisors is an integer number (50612914555).

Almost surely, 2^101225829109 is an apocalyptic number.

It is an amenable number.

101225829109 is a deficient number, since it is larger than the sum of its proper divisors (1).

101225829109 is an equidigital number, since it uses as much as digits as its factorization.

101225829109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 101225829109 in words is "one hundred one billion, two hundred twenty-five million, eight hundred twenty-nine thousand, one hundred nine".