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1220054325101 is a prime number
BaseRepresentation
bin10001110000010000111…
…001111001011101101101
311022122011200110101020222
4101300100321321131231
5124442132401400401
62332252450221125
7154101040440113
oct21602071713555
94278150411228
101220054325101
11430470950397
121785558847a5
138b087303571
144309db11ab3
1521b0a5d7c1b
hex11c10e7976d

1220054325101 has 2 divisors, whose sum is σ = 1220054325102. Its totient is φ = 1220054325100.

The previous prime is 1220054325079. The next prime is 1220054325121. The reversal of 1220054325101 is 1015234500221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155085413001 + 64968912100 = 1074749^2 + 254890^2 .

It is an emirp because it is prime and its reverse (1015234500221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220054325101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220054325121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610027162550 + 610027162551.

It is an arithmetic number, because the mean of its divisors is an integer number (610027162551).

Almost surely, 21220054325101 is an apocalyptic number.

It is an amenable number.

1220054325101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220054325101 is an equidigital number, since it uses as much as digits as its factorization.

1220054325101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1220054325101 its reverse (1015234500221), we get a palindrome (2235288825322).

The spelling of 1220054325101 in words is "one trillion, two hundred twenty billion, fifty-four million, three hundred twenty-five thousand, one hundred one".