101020202147 has 2 divisors, whose sum is σ = 101020202148. Its totient is φ = 101020202146.

The previous prime is 101020202099. The next prime is 101020202149. The reversal of 101020202147 is 741202020101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101020202147 is a prime.

Together with 101020202149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101020202149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510101073 + 50510101074.

It is an arithmetic number, because the mean of its divisors is an integer number (50510101074).

Almost surely, 2^101020202147 is an apocalyptic number.

101020202147 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020202147 is an equidigital number, since it uses as much as digits as its factorization.

101020202147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 101020202147 its reverse (741202020101), we get a palindrome (842222222248).

The spelling of 101020202147 in words is "one hundred one billion, twenty million, two hundred two thousand, one hundred forty-seven".