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10221012100031 is a prime number
BaseRepresentation
bin1001010010111100001111…
…0010111010001110111111
31100012010012220111012210212
42110233003302322032333
52314430113044200111
633423245041223035
72103305131243205
oct224570362721677
940163186435725
1010221012100031
113290785961a47
121190a98331a7b
13591ab6737b85
142749b1ab3075
1512ad12e0498b
hex94bc3cba3bf

10221012100031 has 2 divisors, whose sum is σ = 10221012100032. Its totient is φ = 10221012100030.

The previous prime is 10221012099983. The next prime is 10221012100063. The reversal of 10221012100031 is 13000121012201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221012100031 - 26 = 10221012099967 is a prime.

It is a super-3 number, since 3×102210121000313 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10221012099979 and 10221012100015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221012102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110506050015 + 5110506050016.

It is an arithmetic number, because the mean of its divisors is an integer number (5110506050016).

Almost surely, 210221012100031 is an apocalyptic number.

10221012100031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221012100031 is an equidigital number, since it uses as much as digits as its factorization.

10221012100031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10221012100031 its reverse (13000121012201), we get a palindrome (23221133112232).

The spelling of 10221012100031 in words is "ten trillion, two hundred twenty-one billion, twelve million, one hundred thousand, thirty-one".