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10220122232021 = 13786163248617
BaseRepresentation
bin1001010010111000111011…
…0000010101010011010101
31100012000220220001020101102
42110232032300111103111
52314421302242411041
633423020452235445
72103244104423632
oct224561660252325
940160826036342
1010220122232021
11329036961aa39
12119088a30bb85
135919a427b160
14274929833189
1512acaec2a09b
hex94b8ec154d5

10220122232021 has 4 divisors (see below), whose sum is σ = 11006285480652. Its totient is φ = 9433958983392.

The previous prime is 10220122232011. The next prime is 10220122232041. The reversal of 10220122232021 is 12023222102201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 747946495921 + 9472175736100 = 864839^2 + 3077690^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220122232021 - 214 = 10220122215637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220122231984 and 10220122232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220122232011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393081624296 + ... + 393081624321.

It is an arithmetic number, because the mean of its divisors is an integer number (2751571370163).

Almost surely, 210220122232021 is an apocalyptic number.

It is an amenable number.

10220122232021 is a deficient number, since it is larger than the sum of its proper divisors (786163248631).

10220122232021 is an equidigital number, since it uses as much as digits as its factorization.

10220122232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786163248630.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10220122232021 its reverse (12023222102201), we get a palindrome (22243344334222).

The spelling of 10220122232021 in words is "ten trillion, two hundred twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 13 786163248617 10220122232021