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10222212101081 is a prime number
BaseRepresentation
bin1001010011000000101101…
…0100100011001111011001
31100012020022112111120210012
42110300023110203033121
52314440042244213311
633424004105331305
72103346642134431
oct224601324431731
940166275446705
1010222212101081
113291241269552
121191172196b35
13591c4822c976
14274a872032c1
1512ad8344078b
hex94c0b5233d9

10222212101081 has 2 divisors, whose sum is σ = 10222212101082. Its totient is φ = 10222212101080.

The previous prime is 10222212101041. The next prime is 10222212101113. The reversal of 10222212101081 is 18010121222201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645689527056 + 2576522574025 = 2765084^2 + 1605155^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222212101081 - 214 = 10222212084697 is a prime.

It is a super-2 number, since 2×102222121010812 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10222212101041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111106050540 + 5111106050541.

It is an arithmetic number, because the mean of its divisors is an integer number (5111106050541).

Almost surely, 210222212101081 is an apocalyptic number.

It is an amenable number.

10222212101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222212101081 is an equidigital number, since it uses as much as digits as its factorization.

10222212101081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 10222212101081 its reverse (18010121222201), we get a palindrome (28232333323282).

The spelling of 10222212101081 in words is "ten trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, eighty-one".