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1020220230101 = 2335771375869
BaseRepresentation
bin11101101100010011101…
…11010100100111010101
310121112100220100112122012
432312021313110213111
5113203402334330401
62100403244114005
7133465002605132
oct16661167244725
93545326315565
101020220230101
113637447a5066
12145885835905
137528b491837
1437543a99589
151b8119d58bb
hexed89dd49d5

1020220230101 has 8 divisors (see below), whose sum is σ = 1024630116120. Its totient is φ = 1015810611712.

The previous prime is 1020220230067. The next prime is 1020220230103. The reversal of 1020220230101 is 1010320220201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46742007601 + 973478222500 = 216199^2 + 986650^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020220230101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220230103) 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, 13409195 + ... + 13485063.

It is an arithmetic number, because the mean of its divisors is an integer number (128078764515).

Almost surely, 21020220230101 is an apocalyptic number.

It is an amenable number.

1020220230101 is a deficient number, since it is larger than the sum of its proper divisors (4409886019).

1020220230101 is an equidigital number, since it uses as much as digits as its factorization.

1020220230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133815.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1020220230101 its reverse (1010320220201), we get a palindrome (2030540450302).

The spelling of 1020220230101 in words is "one trillion, twenty billion, two hundred twenty million, two hundred thirty thousand, one hundred one".

Divisors: 1 233 57713 75869 13447129 17677477 4378627597 1020220230101