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10221244031021 = 192232412377633
BaseRepresentation
bin1001010010111101000110…
…0111101010000000101101
31100012010211001220112022112
42110233101213222000231
52314431101432443041
633423324044253405
72103313645520642
oct224572147520055
940163731815275
1010221244031021
113290894874151
121190b41b41265
13591b227c204a
142749d4807dc9
1512ad28469deb
hex94bd19ea02d

10221244031021 has 8 divisors (see below), whose sum is σ = 10807451800320. Its totient is φ = 9639861017472.

The previous prime is 10221244030979. The next prime is 10221244031041. The reversal of 10221244031021 is 12013044212201.

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 10221244031021 - 214 = 10221244014637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221244031041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206184580 + ... + 1206193053.

It is an arithmetic number, because the mean of its divisors is an integer number (1350931475040).

Almost surely, 210221244031021 is an apocalyptic number.

It is an amenable number.

10221244031021 is a deficient number, since it is larger than the sum of its proper divisors (586207769299).

10221244031021 is a wasteful number, since it uses less digits than its factorization.

10221244031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412377875.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10221244031021 its reverse (12013044212201), we get a palindrome (22234288243222).

The spelling of 10221244031021 in words is "ten trillion, two hundred twenty-one billion, two hundred forty-four million, thirty-one thousand, twenty-one".

Divisors: 1 19 223 4237 2412377633 45835175027 537960212159 10221244031021