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1222022120117 is a prime number
BaseRepresentation
bin10001110010000110001…
…100011100001010110101
311022211020211012201112212
4101302012030130022311
5130010200130320432
62333220023023205
7154200563430611
oct21620614341265
94284224181485
101222022120117
114312906a0967
12178a0489ab05
138b30bbb3106
14432091c6341
1521bc32382b2
hex11c8631c2b5

1222022120117 has 2 divisors, whose sum is σ = 1222022120118. Its totient is φ = 1222022120116.

The previous prime is 1222022120101. The next prime is 1222022120149. The reversal of 1222022120117 is 7110212202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022214014116 + 199808106001 = 1011046^2 + 446999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222022120117 - 24 = 1222022120101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222022120092 and 1222022120101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227022120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611011060058 + 611011060059.

It is an arithmetic number, because the mean of its divisors is an integer number (611011060059).

Almost surely, 21222022120117 is an apocalyptic number.

It is an amenable number.

1222022120117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222022120117 is an equidigital number, since it uses as much as digits as its factorization.

1222022120117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 1222022120117 its reverse (7110212202221), we get a palindrome (8332234322338).

The spelling of 1222022120117 in words is "one trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty thousand, one hundred seventeen".