Base | Representation |
---|---|
bin | 10000010101001001100… |
… | …101011101001101100001 |
3 | 10222021122111211112122112 |
4 | 100111021211131031201 |
5 | 121341302040120001 |
6 | 2215312523045105 |
7 | 144035453165264 |
oct | 20251145351541 |
9 | 3867574745575 |
10 | 1122221020001 |
11 | 3a2a27567234 |
12 | 1615b1670795 |
13 | 81a95664013 |
14 | 3c45c73ccdb |
15 | 1e2d16dbcbb |
hex | 1054995d361 |
1122221020001 has 2 divisors, whose sum is σ = 1122221020002. Its totient is φ = 1122221020000.
The previous prime is 1122221019947. The next prime is 1122221020007. The reversal of 1122221020001 is 1000201222211.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1032664472401 + 89556547600 = 1016201^2 + 299260^2 .
It is a cyclic number.
It is not a de Polignac number, because 1122221020001 - 234 = 1105041150817 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (1122221020007) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561110510000 + 561110510001.
It is an arithmetic number, because the mean of its divisors is an integer number (561110510001).
Almost surely, 21122221020001 is an apocalyptic number.
It is an amenable number.
1122221020001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1122221020001 is an equidigital number, since it uses as much as digits as its factorization.
1122221020001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1122221020001 its reverse (1000201222211), we get a palindrome (2122422242212).
The spelling of 1122221020001 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, one".
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