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10222021021021 = 101111739058277
BaseRepresentation
bin1001010010111111111111…
…1011101000110101011101
31100012012211012221201012221
42110233333323220311131
52314434144340133041
633423533122025341
72103342132030625
oct224577773506535
940165735851187
1010222021021021
113291153419247
12119111a1a8251
13591c17779744
14274a69aa3885
1512ad717992d1
hex94bffee8d5d

10222021021021 has 8 divisors (see below), whose sum is σ = 10324154233944. Its totient is φ = 10119905947200.

The previous prime is 10222021021019. The next prime is 10222021021031. The reversal of 10222021021021 is 12012012022201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6191442804121 + 4030578216900 = 2488261^2 + 2007630^2 .

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 10222021021021 - 21 = 10222021021019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222021020986 and 10222021021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222021021031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400666 + ... + 5657611.

It is an arithmetic number, because the mean of its divisors is an integer number (1290519279243).

Almost surely, 210222021021021 is an apocalyptic number.

It is an amenable number.

10222021021021 is a deficient number, since it is larger than the sum of its proper divisors (102133212923).

10222021021021 is a wasteful number, since it uses less digits than its factorization.

10222021021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9069551.

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

Adding to 10222021021021 its reverse (12012012022201), we get a palindrome (22234033043222).

The spelling of 10222021021021 in words is "ten trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, twenty-one".

Divisors: 1 101 11173 1128473 9058277 914885977 101208128921 10222021021021