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10212022020121 = 295313109506837
BaseRepresentation
bin1001010010011010101111…
…1100011110100000011001
31100011021000101001211121021
42110212223330132200121
52314303210114120441
633415201012442441
72102536265646535
oct224465374364031
940137011054537
1010212022020121
113287992226939
12118b1a9619421
13590cb304bc6c
1427439bb20bc5
1512a988a373d1
hex949abf1e819

10212022020121 has 16 divisors (see below), whose sum is σ = 10764326811600. Its totient is φ = 9673090755328.

The previous prime is 10212022020089. The next prime is 10212022020149. The reversal of 10212022020121 is 12102022021201.

It is a happy number.

10212022020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 242594666521 + 9969427353600 = 492539^2 + 3157440^2 .

It is not a de Polignac number, because 10212022020121 - 25 = 10212022020089 is a prime.

It is a super-3 number, since 3×102120220201213 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212022020095 and 10212022020104.

It is not an unprimeable number, because it can be changed into a prime (10212022020181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19895115 + ... + 20401951.

It is an arithmetic number, because the mean of its divisors is an integer number (672770425725).

Almost surely, 210212022020121 is an apocalyptic number.

It is an amenable number.

10212022020121 is a deficient number, since it is larger than the sum of its proper divisors (552304791479).

10212022020121 is a wasteful number, since it uses less digits than its factorization.

10212022020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520028.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10212022020121 its reverse (12102022021201), we get a palindrome (22314044041322).

The spelling of 10212022020121 in words is "ten trillion, two hundred twelve billion, twenty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 29 53 1537 13109 380161 506837 694777 14698273 20148533 26862361 779008469 6644126233 192679660757 352138690349 10212022020121