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1010202012101 = 9770691473257
BaseRepresentation
bin11101011001101001011…
…10110110100111000101
310120120111201022100010002
432230310232312213011
5113022343203341401
62052025211011045
7132661514265362
oct16546456664705
93516451270102
101010202012101
1135a473777657
1214394a739a85
1374352a960a9
1436c73353469
151b427229a6b
hexeb34bb69c5

1010202012101 has 8 divisors (see below), whose sum is σ = 1020761537880. Its totient is φ = 999645447168.

The previous prime is 1010202012037. The next prime is 1010202012143. The reversal of 1010202012101 is 1012102020101.

It can be written as a sum of positive squares in 4 ways, for example, as 216410109601 + 793791902500 = 465199^2 + 890950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010202012101 - 26 = 1010202012037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010202012161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50936 + ... + 1422321.

It is an arithmetic number, because the mean of its divisors is an integer number (127595192235).

Almost surely, 21010202012101 is an apocalyptic number.

It is an amenable number.

1010202012101 is a deficient number, since it is larger than the sum of its proper divisors (10559525779).

1010202012101 is an equidigital number, since it uses as much as digits as its factorization.

1010202012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480423.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010202012101 its reverse (1012102020101), we get a palindrome (2022304032202).

The spelling of 1010202012101 in words is "one trillion, ten billion, two hundred two million, twelve thousand, one hundred one".

Divisors: 1 97 7069 685693 1473257 142905929 10414453733 1010202012101