101020099104049 has 2 divisors, whose sum is σ = 101020099104050. Its totient is φ = 101020099104048.

The previous prime is 101020099104037. The next prime is 101020099104179. The reversal of 101020099104049 is 940401990020101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80266243294449 + 20753855809600 = 8959143^2 + 4555640^2 .

It is a cyclic number.

It is not a de Polignac number, because 101020099104049 - 2⁵ = 101020099104017 is a prime.

It is not a weakly prime, because it can be changed into another prime (101020099104349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510049552024 + 50510049552025.

It is an arithmetic number, because the mean of its divisors is an integer number (50510049552025).

Almost surely, 2^{101020099104049} is an apocalyptic number.

It is an amenable number.

101020099104049 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020099104049 is an equidigital number, since it uses as much as digits as its factorization.

101020099104049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 101020099104049 in words is "one hundred one trillion, twenty billion, ninety-nine million, one hundred four thousand, forty-nine".