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10221221121103 is a prime number
BaseRepresentation
bin1001010010111101000001…
…0000010000110001001111
31100012010202110210120211001
42110233100100100301033
52314431030101333403
633423321505241131
72103313250012116
oct224572020206117
940163673716731
1010221221121103
113290882946633
121190b363331a7
13591b1ab30295
142749d1762c7d
1512ad26441c1d
hex94bd0410c4f

10221221121103 has 2 divisors, whose sum is σ = 10221221121104. Its totient is φ = 10221221121102.

The previous prime is 10221221120987. The next prime is 10221221121119. The reversal of 10221221121103 is 30112112212201.

It is a strong prime.

It is an emirp because it is prime and its reverse (30112112212201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10221221121103 is a prime.

It is a super-2 number, since 2×102212211211032 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221221128103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110610560551 + 5110610560552.

It is an arithmetic number, because the mean of its divisors is an integer number (5110610560552).

Almost surely, 210221221121103 is an apocalyptic number.

10221221121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221221121103 is an equidigital number, since it uses as much as digits as its factorization.

10221221121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10221221121103 its reverse (30112112212201), we get a palindrome (40333333333304).

The spelling of 10221221121103 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred three".