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10012020101 is a prime number
BaseRepresentation
bin10010101001100001…
…10100110110000101
3221211202101022121022
421110300310312011
5131001034120401
64333252200525
7503051523656
oct112460646605
927752338538
1010012020101
114278584986
121b35009145
13c37338665
146ad9b152d
153d8e8471b
hex254c34d85

10012020101 has 2 divisors, whose sum is σ = 10012020102. Its totient is φ = 10012020100.

The previous prime is 10012020079. The next prime is 10012020107. The reversal of 10012020101 is 10102021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6456283201 + 3555736900 = 80351^2 + 59630^2 .

It is an emirp because it is prime and its reverse (10102021001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10012020101 - 210 = 10012019077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012020107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006010050 + 5006010051.

It is an arithmetic number, because the mean of its divisors is an integer number (5006010051).

Almost surely, 210012020101 is an apocalyptic number.

It is an amenable number.

10012020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012020101 is an equidigital number, since it uses as much as digits as its factorization.

10012020101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10012020101 its reverse (10102021001), we get a palindrome (20114041102).

The spelling of 10012020101 in words is "ten billion, twelve million, twenty thousand, one hundred one".